java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:31:50,470 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:31:50,472 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:31:50,485 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:31:50,485 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:31:50,486 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:31:50,490 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:31:50,492 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:31:50,494 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:31:50,495 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:31:50,496 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:31:50,496 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:31:50,497 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:31:50,498 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:31:50,499 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:31:50,500 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:31:50,500 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:31:50,502 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:31:50,504 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:31:50,506 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:31:50,507 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:31:50,508 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:31:50,510 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:31:50,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:31:50,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:31:50,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:31:50,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:31:50,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:31:50,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:31:50,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:31:50,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:31:50,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:31:50,517 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:31:50,517 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:31:50,518 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:31:50,519 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:31:50,519 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 11:31:50,534 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:31:50,535 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:31:50,535 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:31:50,536 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:31:50,536 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:31:50,536 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:31:50,537 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:31:50,537 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:31:50,537 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:31:50,537 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:31:50,537 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:31:50,538 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:31:50,538 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:31:50,538 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:31:50,538 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:31:50,538 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:31:50,539 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:31:50,539 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:31:50,539 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:31:50,539 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-28 11:31:50,539 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:31:50,540 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:31:50,540 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:31:50,540 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:31:50,540 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:31:50,540 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:31:50,541 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:31:50,541 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:31:50,541 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:31:50,541 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:31:50,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:31:50,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:31:50,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:31:50,601 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:31:50,602 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:31:50,602 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl [2018-09-28 11:31:50,603 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/count_by_k.i_3.bpl' [2018-09-28 11:31:50,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:31:50,654 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:31:50,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:31:50,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:31:50,655 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:31:50,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:31:50,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:31:50,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:31:50,696 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:31:50,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... [2018-09-28 11:31:50,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:31:50,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:31:50,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:31:50,716 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:31:50,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:31:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:31:50,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-28 11:31:50,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-28 11:31:51,081 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-28 11:31:51,081 INFO L202 PluginConnector]: Adding new model count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:31:51 BoogieIcfgContainer [2018-09-28 11:31:51,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:31:51,082 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:31:51,082 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:31:51,094 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:31:51,095 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "count_by_k.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:31:51" (1/1) ... [2018-09-28 11:31:51,111 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-28 11:31:51,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-28 11:31:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-28 11:31:51,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:31:51,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:51,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:51,418 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 11:31:51,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:51,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-09-28 11:31:51,928 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-09-28 11:31:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:31:51,928 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:52,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:31:52,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:52,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 9 states and 10 transitions. [2018-09-28 11:31:52,874 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 10 transitions. [2018-09-28 11:31:52,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:31:52,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:52,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:52,937 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 11:31:53,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2018-09-28 11:31:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2018-09-28 11:31:53,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:31:53,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:31:54,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:54,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2018-09-28 11:31:54,331 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2018-09-28 11:31:54,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:31:54,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:54,432 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:31:55,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2018-09-28 11:31:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2018-09-28 11:31:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:31:55,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:55,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:55,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:31:56,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:56,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2018-09-28 11:31:56,050 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2018-09-28 11:31:56,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:31:56,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:56,568 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:31:57,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:57,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 19 states and 20 transitions. [2018-09-28 11:31:57,525 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2018-09-28 11:31:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:31:57,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:57,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:57,970 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:31:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:31:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2018-09-28 11:31:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2018-09-28 11:31:58,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:31:58,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:31:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:31:58,959 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:00,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 23 states and 24 transitions. [2018-09-28 11:32:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2018-09-28 11:32:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:32:00,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:00,471 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:01,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:01,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 25 states and 26 transitions. [2018-09-28 11:32:01,154 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-09-28 11:32:01,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:32:01,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:01,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:02,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 27 states and 28 transitions. [2018-09-28 11:32:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2018-09-28 11:32:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:32:02,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:02,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:02,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 29 states and 30 transitions. [2018-09-28 11:32:02,967 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-09-28 11:32:02,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:32:02,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:03,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 31 states and 32 transitions. [2018-09-28 11:32:03,879 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-09-28 11:32:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:32:03,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:04,096 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:05,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:05,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 33 states and 34 transitions. [2018-09-28 11:32:05,182 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2018-09-28 11:32:05,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:32:05,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:05,377 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:06,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 35 states and 36 transitions. [2018-09-28 11:32:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-09-28 11:32:06,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:32:06,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:07,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 37 states and 38 transitions. [2018-09-28 11:32:07,632 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 38 transitions. [2018-09-28 11:32:07,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:32:07,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:08,143 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:10,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:10,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 39 states and 40 transitions. [2018-09-28 11:32:10,282 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2018-09-28 11:32:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:32:10,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:12,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:12,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 41 states and 42 transitions. [2018-09-28 11:32:12,457 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-09-28 11:32:12,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:32:12,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:12,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:12,596 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:14,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 43 states and 44 transitions. [2018-09-28 11:32:14,292 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-09-28 11:32:14,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:32:14,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:14,656 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:16,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:16,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 45 states and 46 transitions. [2018-09-28 11:32:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2018-09-28 11:32:16,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:32:16,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:16,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:16,266 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 47 states and 48 transitions. [2018-09-28 11:32:17,758 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2018-09-28 11:32:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:32:17,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:19,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:19,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 49 states and 50 transitions. [2018-09-28 11:32:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2018-09-28 11:32:19,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:32:19,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:19,782 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:21,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:21,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 51 states and 52 transitions. [2018-09-28 11:32:21,398 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2018-09-28 11:32:21,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:32:21,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:21,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:21,630 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:23,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:23,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 53 states and 54 transitions. [2018-09-28 11:32:23,486 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2018-09-28 11:32:23,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:32:23,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:25,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:25,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 55 states and 56 transitions. [2018-09-28 11:32:25,778 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2018-09-28 11:32:25,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:32:25,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:28,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 57 states and 58 transitions. [2018-09-28 11:32:28,184 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2018-09-28 11:32:28,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:32:28,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:30,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:30,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 59 states and 60 transitions. [2018-09-28 11:32:30,562 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 60 transitions. [2018-09-28 11:32:30,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:32:30,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:31,095 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:33,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:33,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 61 states and 62 transitions. [2018-09-28 11:32:33,519 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 62 transitions. [2018-09-28 11:32:33,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:32:33,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:36,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:36,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 63 states and 64 transitions. [2018-09-28 11:32:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2018-09-28 11:32:36,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:32:36,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:36,630 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:39,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:39,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 65 states and 66 transitions. [2018-09-28 11:32:39,351 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2018-09-28 11:32:39,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:32:39,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:39,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:39,640 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 67 states and 68 transitions. [2018-09-28 11:32:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 68 transitions. [2018-09-28 11:32:42,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:32:42,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:43,045 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:46,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:46,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 69 states and 70 transitions. [2018-09-28 11:32:46,178 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 70 transitions. [2018-09-28 11:32:46,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:32:46,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:46,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:50,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:50,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 71 states and 72 transitions. [2018-09-28 11:32:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2018-09-28 11:32:50,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:32:50,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:51,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:55,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:55,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 73 states and 74 transitions. [2018-09-28 11:32:55,212 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2018-09-28 11:32:55,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:32:55,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:32:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:32:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:32:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 75 states and 76 transitions. [2018-09-28 11:32:59,704 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 76 transitions. [2018-09-28 11:32:59,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:32:59,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:32:59,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:00,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:04,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 77 states and 78 transitions. [2018-09-28 11:33:04,520 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 78 transitions. [2018-09-28 11:33:04,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:33:04,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:09,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:09,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 79 states and 80 transitions. [2018-09-28 11:33:09,524 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2018-09-28 11:33:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:33:09,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:09,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:14,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:14,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 81 states and 82 transitions. [2018-09-28 11:33:14,912 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2018-09-28 11:33:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:33:14,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:15,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:20,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 83 states and 84 transitions. [2018-09-28 11:33:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 84 transitions. [2018-09-28 11:33:20,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:33:20,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:27,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 85 states and 86 transitions. [2018-09-28 11:33:27,260 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 86 transitions. [2018-09-28 11:33:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:33:27,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:34,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 87 states and 88 transitions. [2018-09-28 11:33:34,125 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2018-09-28 11:33:34,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:33:34,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:34,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:41,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 89 states and 90 transitions. [2018-09-28 11:33:41,224 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2018-09-28 11:33:41,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:33:41,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:48,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:48,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 91 states and 92 transitions. [2018-09-28 11:33:48,904 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 92 transitions. [2018-09-28 11:33:48,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:33:48,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:48,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:33:57,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:33:57,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 93 states and 94 transitions. [2018-09-28 11:33:57,039 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 94 transitions. [2018-09-28 11:33:57,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:33:57,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:33:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:33:58,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:34:06,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:34:06,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 95 states and 96 transitions. [2018-09-28 11:34:06,473 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2018-09-28 11:34:06,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:34:06,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:34:06,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:34:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:34:16,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:34:16,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 97 states and 98 transitions. [2018-09-28 11:34:16,346 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2018-09-28 11:34:16,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 11:34:16,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:34:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:34:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:34:27,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:34:27,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 99 states and 100 transitions. [2018-09-28 11:34:27,271 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 100 transitions. [2018-09-28 11:34:27,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 11:34:27,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:34:27,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:34:28,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:34:41,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:34:41,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 101 states and 102 transitions. [2018-09-28 11:34:41,266 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 102 transitions. [2018-09-28 11:34:41,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 11:34:41,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:34:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:34:41,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:34:53,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:34:53,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 103 states and 104 transitions. [2018-09-28 11:34:53,924 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2018-09-28 11:34:53,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-28 11:34:53,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:34:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:34:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:35:06,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:35:06,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 105 states and 106 transitions. [2018-09-28 11:35:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2018-09-28 11:35:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:35:06,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:35:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:35:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:35:19,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:35:19,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 107 states and 108 transitions. [2018-09-28 11:35:19,385 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 108 transitions. [2018-09-28 11:35:19,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-28 11:35:19,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:35:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:35:20,263 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:35:33,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:35:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 109 states and 110 transitions. [2018-09-28 11:35:33,381 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 110 transitions. [2018-09-28 11:35:33,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 11:35:33,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:35:33,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:35:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:35:48,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:35:48,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 111 states and 112 transitions. [2018-09-28 11:35:48,204 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2018-09-28 11:35:48,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 11:35:48,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:35:48,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:35:49,402 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:36:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:36:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 113 states and 114 transitions. [2018-09-28 11:36:04,376 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2018-09-28 11:36:04,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-28 11:36:04,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:36:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:36:06,845 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown