java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:20:12,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:20:12,060 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:20:12,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:20:12,077 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:20:12,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:20:12,079 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:20:12,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:20:12,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:20:12,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:20:12,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:20:12,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:20:12,087 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:20:12,090 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:20:12,094 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:20:12,097 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:20:12,098 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:20:12,100 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:20:12,102 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:20:12,103 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:20:12,105 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:20:12,106 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:20:12,108 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:20:12,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:20:12,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:20:12,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:20:12,111 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:20:12,112 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:20:12,112 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:20:12,113 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:20:12,114 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:20:12,114 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:20:12,115 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:20:12,115 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:20:12,116 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:20:12,117 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:20:12,117 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 13:20:12,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:20:12,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:20:12,150 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:20:12,150 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:20:12,153 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:20:12,153 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:20:12,154 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:20:12,154 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:20:12,154 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:20:12,154 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:20:12,154 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:20:12,155 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:20:12,155 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:20:12,155 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:20:12,155 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:20:12,155 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:20:12,156 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:20:12,158 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:20:12,158 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:20:12,158 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:20:12,158 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:20:12,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:20:12,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:20:12,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:20:12,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:20:12,160 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:20:12,160 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:20:12,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:20:12,160 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:20:12,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:20:12,248 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:20:12,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:20:12,257 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:20:12,258 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:20:12,258 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl [2018-10-04 13:20:12,259 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/linear_sea.ch.i_4.bpl' [2018-10-04 13:20:12,319 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:20:12,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:20:12,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:20:12,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:20:12,322 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:20:12,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,361 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:20:12,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:20:12,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:20:12,362 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:20:12,372 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,374 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,379 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,384 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:20:12,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:20:12,385 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:20:12,385 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:20:12,386 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:20:12,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:20:12,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:20:12,699 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:20:12,699 INFO L202 PluginConnector]: Adding new model linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:20:12 BoogieIcfgContainer [2018-10-04 13:20:12,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:20:12,700 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:20:12,700 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:20:12,728 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:20:12,728 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "linear_sea.ch.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:20:12" (1/1) ... [2018-10-04 13:20:12,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:20:12,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-10-04 13:20:12,802 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-10-04 13:20:12,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:20:12,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:12,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:13,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:13,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-10-04 13:20:13,483 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-10-04 13:20:13,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:20:13,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:13,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:13,850 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 13 [2018-10-04 13:20:14,120 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-10-04 13:20:14,216 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:14,906 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-04 13:20:15,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-10-04 13:20:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-10-04 13:20:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:20:15,619 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:15,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:17,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:17,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 14 states and 30 transitions. [2018-10-04 13:20:17,662 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 30 transitions. [2018-10-04 13:20:17,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:20:17,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:17,949 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 16 states and 36 transitions. [2018-10-04 13:20:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 36 transitions. [2018-10-04 13:20:18,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:20:18,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:19,186 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 17 states and 39 transitions. [2018-10-04 13:20:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 39 transitions. [2018-10-04 13:20:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:20:19,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:20,285 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-10-04 13:20:20,633 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-10-04 13:20:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2018-10-04 13:20:20,690 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2018-10-04 13:20:20,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:20:20,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:21,077 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:22,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 21 states and 48 transitions. [2018-10-04 13:20:22,465 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 48 transitions. [2018-10-04 13:20:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:20:22,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:22,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:23,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:23,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 22 states and 48 transitions. [2018-10-04 13:20:23,399 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 48 transitions. [2018-10-04 13:20:23,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:20:23,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:24,335 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2018-10-04 13:20:24,499 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 49 [2018-10-04 13:20:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 23 states and 48 transitions. [2018-10-04 13:20:24,837 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 48 transitions. [2018-10-04 13:20:24,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:20:24,837 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:24,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:25,878 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 31 [2018-10-04 13:20:27,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 25 states and 53 transitions. [2018-10-04 13:20:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 53 transitions. [2018-10-04 13:20:27,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:20:27,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:27,505 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:27,863 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-10-04 13:20:28,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:28,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 26 states and 53 transitions. [2018-10-04 13:20:28,504 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 53 transitions. [2018-10-04 13:20:28,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:20:28,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:30,293 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-10-04 13:20:30,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:30,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 28 states and 56 transitions. [2018-10-04 13:20:30,411 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 56 transitions. [2018-10-04 13:20:30,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:20:30,412 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:30,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:30,717 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:31,643 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-10-04 13:20:32,566 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-04 13:20:33,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:33,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2018-10-04 13:20:33,372 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2018-10-04 13:20:33,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:20:33,373 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:34,058 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-04 13:20:34,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:34,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2018-10-04 13:20:34,538 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2018-10-04 13:20:34,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:20:34,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:34,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-10-04 13:20:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-10-04 13:20:35,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:20:35,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:35,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:38,661 WARN L178 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2018-10-04 13:20:39,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:39,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2018-10-04 13:20:39,222 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2018-10-04 13:20:39,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:20:39,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:39,692 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:40,306 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-04 13:20:40,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 37 states and 72 transitions. [2018-10-04 13:20:40,772 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 72 transitions. [2018-10-04 13:20:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:20:40,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:40,955 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:41,494 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-04 13:20:41,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 38 states and 72 transitions. [2018-10-04 13:20:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 72 transitions. [2018-10-04 13:20:41,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:20:41,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:43,027 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:43,489 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-04 13:20:44,651 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2018-10-04 13:20:45,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-10-04 13:20:45,223 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-10-04 13:20:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:20:45,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:45,689 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:46,387 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-10-04 13:20:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 41 states and 77 transitions. [2018-10-04 13:20:47,001 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 77 transitions. [2018-10-04 13:20:47,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:20:47,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:47,468 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:48,596 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 65 [2018-10-04 13:20:48,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:48,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 43 states and 80 transitions. [2018-10-04 13:20:48,949 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 80 transitions. [2018-10-04 13:20:48,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:20:48,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:49,656 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2018-10-04 13:20:50,388 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 73 [2018-10-04 13:20:51,357 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2018-10-04 13:20:52,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:52,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-10-04 13:20:52,376 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-10-04 13:20:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:20:52,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:53,365 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-10-04 13:20:54,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 88 transitions. [2018-10-04 13:20:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 88 transitions. [2018-10-04 13:20:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:20:54,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:54,695 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-10-04 13:20:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:55,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 48 states and 88 transitions. [2018-10-04 13:20:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 88 transitions. [2018-10-04 13:20:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:20:55,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:57,764 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-10-04 13:20:59,219 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2018-10-04 13:21:00,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:00,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 50 states and 93 transitions. [2018-10-04 13:21:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 93 transitions. [2018-10-04 13:21:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:21:00,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:01,608 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-10-04 13:21:02,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:02,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 51 states and 93 transitions. [2018-10-04 13:21:02,352 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 93 transitions. [2018-10-04 13:21:02,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:21:02,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:02,966 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 74 [2018-10-04 13:21:03,878 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2018-10-04 13:21:04,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:04,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 96 transitions. [2018-10-04 13:21:04,344 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 96 transitions. [2018-10-04 13:21:04,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:21:04,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:05,699 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-10-04 13:21:07,269 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 100 [2018-10-04 13:21:08,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:08,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 55 states and 101 transitions. [2018-10-04 13:21:08,190 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2018-10-04 13:21:08,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:21:08,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:08,337 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:09,292 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-10-04 13:21:10,149 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 13:21:10,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:10,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 56 states and 101 transitions. [2018-10-04 13:21:10,185 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2018-10-04 13:21:10,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:21:10,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:10,433 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:10,827 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 82 [2018-10-04 13:21:11,827 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 89 [2018-10-04 13:21:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:12,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 104 transitions. [2018-10-04 13:21:12,306 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 104 transitions. [2018-10-04 13:21:12,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:21:12,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:12,866 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:13,378 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-10-04 13:21:14,309 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 13:21:15,441 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 108 [2018-10-04 13:21:16,339 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2018-10-04 13:21:16,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:16,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 109 transitions. [2018-10-04 13:21:16,401 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 109 transitions. [2018-10-04 13:21:16,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:21:16,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:17,446 WARN L178 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-10-04 13:21:18,331 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-04 13:21:18,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:18,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 109 transitions. [2018-10-04 13:21:18,371 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2018-10-04 13:21:18,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:21:18,372 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:18,619 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:19,075 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 90 [2018-10-04 13:21:20,246 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 97 [2018-10-04 13:21:20,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:20,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 63 states and 112 transitions. [2018-10-04 13:21:20,808 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 112 transitions. [2018-10-04 13:21:20,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:21:20,808 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:21,360 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:21,924 WARN L178 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-10-04 13:21:22,915 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-04 13:21:23,976 WARN L178 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 116 [2018-10-04 13:21:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 65 states and 117 transitions. [2018-10-04 13:21:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 117 transitions. [2018-10-04 13:21:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:21:25,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:25,312 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:25,921 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-10-04 13:21:26,924 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 13:21:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:26,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 66 states and 117 transitions. [2018-10-04 13:21:26,962 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 117 transitions. [2018-10-04 13:21:26,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:21:26,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:27,652 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 98 [2018-10-04 13:21:28,927 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 105 [2018-10-04 13:21:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 68 states and 120 transitions. [2018-10-04 13:21:29,564 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 120 transitions. [2018-10-04 13:21:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:21:29,564 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:30,836 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 106 [2018-10-04 13:21:32,261 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 113 [2018-10-04 13:21:32,888 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-04 13:21:33,961 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 124 [2018-10-04 13:21:35,111 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 13:21:35,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:35,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 128 transitions. [2018-10-04 13:21:35,176 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 128 transitions. [2018-10-04 13:21:35,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:21:35,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:35,718 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 31 [2018-10-04 13:21:36,086 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-10-04 13:21:37,174 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 13:21:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 72 states and 128 transitions. [2018-10-04 13:21:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 128 transitions. [2018-10-04 13:21:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:21:37,218 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:37,406 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:38,046 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-10-04 13:21:39,140 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:21:39,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:39,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 73 states and 128 transitions. [2018-10-04 13:21:39,176 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 128 transitions. [2018-10-04 13:21:39,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:21:39,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:40,048 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:40,619 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 114 [2018-10-04 13:21:42,132 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 121 [2018-10-04 13:21:42,855 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 13:21:44,038 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 132 [2018-10-04 13:21:45,309 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-04 13:21:45,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 76 states and 136 transitions. [2018-10-04 13:21:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 136 transitions. [2018-10-04 13:21:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:21:45,374 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:45,842 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:46,618 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-10-04 13:21:47,813 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:21:47,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:47,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 77 states and 136 transitions. [2018-10-04 13:21:47,864 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 136 transitions. [2018-10-04 13:21:47,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:21:47,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:48,148 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:48,904 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-10-04 13:21:50,200 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-04 13:21:50,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:50,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 78 states and 136 transitions. [2018-10-04 13:21:50,242 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 136 transitions. [2018-10-04 13:21:50,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:21:50,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:50,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:51,007 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:51,303 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 31 [2018-10-04 13:21:51,784 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-10-04 13:21:53,080 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-04 13:21:54,355 WARN L178 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2018-10-04 13:21:55,724 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 13:21:55,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 80 states and 141 transitions. [2018-10-04 13:21:55,786 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 141 transitions. [2018-10-04 13:21:55,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:21:55,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:56,847 WARN L178 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-10-04 13:21:58,192 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 13:21:58,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 81 states and 141 transitions. [2018-10-04 13:21:58,231 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 141 transitions. [2018-10-04 13:21:58,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:21:58,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:21:59,076 WARN L178 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 122 [2018-10-04 13:22:00,168 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 13:22:00,843 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 129 [2018-10-04 13:22:01,639 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:22:01,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:01,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 83 states and 144 transitions. [2018-10-04 13:22:01,684 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 144 transitions. [2018-10-04 13:22:01,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:22:01,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:03,076 WARN L178 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 130 [2018-10-04 13:22:04,252 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 13:22:04,931 WARN L178 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 137 [2018-10-04 13:22:05,902 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-04 13:22:07,309 WARN L178 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 148 [2018-10-04 13:22:08,725 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-04 13:22:08,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 86 states and 152 transitions. [2018-10-04 13:22:08,790 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 152 transitions. [2018-10-04 13:22:08,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:22:08,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:09,320 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 31 [2018-10-04 13:22:09,809 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-10-04 13:22:11,232 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 13:22:11,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:11,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 87 states and 152 transitions. [2018-10-04 13:22:11,273 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 152 transitions. [2018-10-04 13:22:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:22:11,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:12,296 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-10-04 13:22:13,766 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-10-04 13:22:13,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:13,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 88 states and 152 transitions. [2018-10-04 13:22:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2018-10-04 13:22:13,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:22:13,806 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:13,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:14,548 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:15,247 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 138 [2018-10-04 13:22:16,539 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2018-10-04 13:22:17,254 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 145 [2018-10-04 13:22:18,195 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 13:22:19,689 WARN L178 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 156 [2018-10-04 13:22:21,362 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 13:22:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:21,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 91 states and 160 transitions. [2018-10-04 13:22:21,433 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 160 transitions. [2018-10-04 13:22:21,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:22:21,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:22,141 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 31 [2018-10-04 13:22:22,635 WARN L178 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-10-04 13:22:24,218 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-10-04 13:22:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:24,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 92 states and 160 transitions. [2018-10-04 13:22:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 160 transitions. [2018-10-04 13:22:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:22:24,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:24,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:25,410 WARN L178 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-10-04 13:22:27,055 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-04 13:22:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 93 states and 160 transitions. [2018-10-04 13:22:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 160 transitions. [2018-10-04 13:22:27,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:22:27,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:27,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:28,691 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:29,044 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 31 [2018-10-04 13:22:29,573 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-10-04 13:22:31,180 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-04 13:22:32,878 WARN L178 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 164 [2018-10-04 13:22:34,596 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-10-04 13:22:34,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:34,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 95 states and 165 transitions. [2018-10-04 13:22:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 165 transitions. [2018-10-04 13:22:34,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:22:34,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:35,836 WARN L178 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-10-04 13:22:37,605 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 13:22:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 96 states and 165 transitions. [2018-10-04 13:22:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 165 transitions. [2018-10-04 13:22:37,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:22:37,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:37,941 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:38,744 WARN L178 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 146 [2018-10-04 13:22:40,191 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-04 13:22:41,006 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 153 [2018-10-04 13:22:42,149 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2018-10-04 13:22:42,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:42,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 98 states and 168 transitions. [2018-10-04 13:22:42,202 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 168 transitions. [2018-10-04 13:22:42,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:22:42,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:43,756 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 31 [2018-10-04 13:22:44,462 WARN L178 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-10-04 13:22:46,287 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 13:22:46,748 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 31 [2018-10-04 13:22:48,138 WARN L178 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 172 [2018-10-04 13:22:50,046 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-10-04 13:22:50,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:50,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 100 states and 173 transitions. [2018-10-04 13:22:50,148 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 173 transitions. [2018-10-04 13:22:50,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:22:50,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:50,306 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:51,159 WARN L178 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 154 [2018-10-04 13:22:52,703 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 13:22:53,574 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 161 [2018-10-04 13:22:54,786 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-04 13:22:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 102 states and 176 transitions. [2018-10-04 13:22:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 176 transitions. [2018-10-04 13:22:54,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:22:54,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:54,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:55,043 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:22:55,453 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 31 [2018-10-04 13:22:56,055 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-10-04 13:22:57,968 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 13:22:58,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:58,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 103 states and 176 transitions. [2018-10-04 13:22:58,018 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 176 transitions. [2018-10-04 13:22:58,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:22:58,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:58,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:59,400 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:00,279 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2018-10-04 13:23:02,023 WARN L178 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 13:23:03,026 WARN L178 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 169 [2018-10-04 13:23:04,281 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 13:23:04,730 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 31 [2018-10-04 13:23:06,163 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 180 [2018-10-04 13:23:08,223 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-10-04 13:23:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:08,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 106 states and 184 transitions. [2018-10-04 13:23:08,286 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 184 transitions. [2018-10-04 13:23:08,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:23:08,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:08,986 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:09,412 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 31 [2018-10-04 13:23:10,044 WARN L178 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-10-04 13:23:11,994 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 13:23:12,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:12,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 107 states and 184 transitions. [2018-10-04 13:23:12,052 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 184 transitions. [2018-10-04 13:23:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:23:12,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:12,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:12,832 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:13,878 WARN L178 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-10-04 13:23:15,864 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-10-04 13:23:15,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:15,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 108 states and 184 transitions. [2018-10-04 13:23:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 184 transitions. [2018-10-04 13:23:15,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:23:15,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:18,451 WARN L178 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 170 [2018-10-04 13:23:20,207 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-04 13:23:21,207 WARN L178 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 177 [2018-10-04 13:23:22,545 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 13:23:23,028 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 31 [2018-10-04 13:23:24,576 WARN L178 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2018-10-04 13:23:26,678 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-10-04 13:23:26,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:26,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 111 states and 192 transitions. [2018-10-04 13:23:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 192 transitions. [2018-10-04 13:23:26,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:23:26,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:27,581 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:28,021 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 31 [2018-10-04 13:23:28,687 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-10-04 13:23:30,686 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-10-04 13:23:30,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:30,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 112 states and 192 transitions. [2018-10-04 13:23:30,734 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 192 transitions. [2018-10-04 13:23:30,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:23:30,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:31,429 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:31,824 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 31 [2018-10-04 13:23:32,536 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-10-04 13:23:34,709 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-10-04 13:23:34,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:34,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 113 states and 192 transitions. [2018-10-04 13:23:34,753 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 192 transitions. [2018-10-04 13:23:34,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:23:34,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:36,241 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:37,229 WARN L178 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 178 [2018-10-04 13:23:39,267 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 179 [2018-10-04 13:23:40,285 WARN L178 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2018-10-04 13:23:41,662 WARN L178 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2018-10-04 13:23:42,176 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 31 [2018-10-04 13:23:43,907 WARN L178 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 196 [2018-10-04 13:23:46,157 WARN L178 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-04 13:23:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:46,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 200 transitions. [2018-10-04 13:23:46,232 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 200 transitions. [2018-10-04 13:23:46,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:23:46,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:46,896 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:47,323 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 31 [2018-10-04 13:23:48,074 WARN L178 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-10-04 13:23:50,298 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-10-04 13:23:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 117 states and 200 transitions. [2018-10-04 13:23:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 200 transitions. [2018-10-04 13:23:50,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:23:50,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:51,473 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 31 [2018-10-04 13:23:52,220 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2018-10-04 13:23:54,627 WARN L178 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-10-04 13:23:54,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:54,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 200 transitions. [2018-10-04 13:23:54,674 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 200 transitions. [2018-10-04 13:23:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:23:54,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:56,625 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:23:57,111 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 31 [2018-10-04 13:23:57,827 WARN L178 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2018-10-04 13:24:00,087 WARN L178 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-10-04 13:24:00,593 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 31 [2018-10-04 13:24:02,390 WARN L178 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 204 [2018-10-04 13:24:04,937 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-04 13:24:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 120 states and 205 transitions. [2018-10-04 13:24:05,031 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 205 transitions. [2018-10-04 13:24:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:24:05,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:05,719 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:24:06,801 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2018-10-04 13:24:08,864 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-10-04 13:24:09,984 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2018-10-04 13:24:11,516 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2018-10-04 13:24:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 208 transitions. [2018-10-04 13:24:11,573 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2018-10-04 13:24:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:24:11,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:12,643 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:24:13,146 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2018-10-04 13:24:14,023 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2018-10-04 13:24:16,388 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2018-10-04 13:24:16,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:16,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 123 states and 208 transitions. [2018-10-04 13:24:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 208 transitions. [2018-10-04 13:24:16,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:24:16,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:18,268 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:24:18,813 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 29 [2018-10-04 13:24:19,526 WARN L178 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 194 [2018-10-04 13:24:21,688 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2018-10-04 13:24:22,930 WARN L178 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2018-10-04 13:24:24,605 WARN L178 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-10-04 13:24:25,162 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 31 [2018-10-04 13:24:27,050 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 212 Received shutdown request... [2018-10-04 13:24:27,314 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:24:27,316 INFO L168 Benchmark]: Toolchain (without parser) took 254996.74 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -24.1 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 33.0 MB). Peak memory consumption was 580.8 MB. Max. memory is 7.1 GB. [2018-10-04 13:24:27,317 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:24:27,317 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:24:27,317 INFO L168 Benchmark]: Boogie Preprocessor took 23.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:24:27,318 INFO L168 Benchmark]: RCFGBuilder took 314.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:24:27,318 INFO L168 Benchmark]: CodeCheck took 254615.35 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -24.1 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 11.8 MB). Peak memory consumption was 559.7 MB. Max. memory is 7.1 GB. [2018-10-04 13:24:27,321 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 496 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 314.80 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 254615.35 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -24.1 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 11.8 MB). Peak memory consumption was 559.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/linear_sea.ch.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-24-27-331.csv Completed graceful shutdown