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/nested1.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:20:26,388 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:20:26,390 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:20:26,404 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:20:26,404 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:20:26,405 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:20:26,406 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:20:26,408 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:20:26,410 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:20:26,411 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:20:26,411 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:20:26,412 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:20:26,413 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:20:26,414 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:20:26,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:20:26,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:20:26,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:20:26,418 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:20:26,420 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:20:26,422 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:20:26,423 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:20:26,424 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:20:26,427 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:20:26,427 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:20:26,427 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:20:26,428 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:20:26,429 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:20:26,430 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:20:26,431 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:20:26,432 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:20:26,432 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:20:26,433 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:20:26,433 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:20:26,433 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:20:26,434 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:20:26,435 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:20:26,435 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 13:20:26,451 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:20:26,451 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:20:26,452 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:20:26,452 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:20:26,453 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:20:26,453 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:20:26,453 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:20:26,453 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:20:26,453 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:20:26,453 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:20:26,454 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:20:26,454 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:20:26,454 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:20:26,454 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:20:26,454 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:20:26,455 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:20:26,455 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:20:26,455 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:20:26,455 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:20:26,455 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:20:26,456 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:20:26,456 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:20:26,456 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:20:26,456 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:20:26,456 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:20:26,457 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:20:26,457 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:20:26,457 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:20:26,457 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:20:26,499 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:20:26,512 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:20:26,515 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:20:26,517 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:20:26,517 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:20:26,518 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl [2018-10-04 13:20:26,518 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/nested1.i_4.bpl' [2018-10-04 13:20:26,564 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:20:26,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:20:26,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:20:26,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:20:26,566 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:20:26,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,603 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:20:26,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:20:26,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:20:26,604 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:20:26,615 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,616 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,617 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,620 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,622 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:26,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:20:26,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:20:26,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:20:26,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:20:26,630 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:20:26" (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 13:20:26,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 13:20:26,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 13:20:26,991 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 13:20:26,992 INFO L202 PluginConnector]: Adding new model nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:20:26 BoogieIcfgContainer [2018-10-04 13:20:26,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:20:26,993 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:20:26,993 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:20:27,005 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:20:27,006 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:20:26" (1/1) ... [2018-10-04 13:20:27,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:20:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-04 13:20:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-04 13:20:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:20:27,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:27,338 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 13:20:27,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:27,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-10-04 13:20:27,528 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-10-04 13:20:27,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:20:27,529 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:27,628 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:27,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:27,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2018-10-04 13:20:27,707 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2018-10-04 13:20:27,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:20:27,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:27,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:20:28,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:28,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2018-10-04 13:20:28,157 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2018-10-04 13:20:28,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:20:28,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-04 13:20:29,072 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-04 13:20:29,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:29,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2018-10-04 13:20:29,394 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2018-10-04 13:20:29,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:20:29,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:29,493 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-04 13:20:29,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:29,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2018-10-04 13:20:29,716 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2018-10-04 13:20:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:20:29,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:29,788 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-10-04 13:20:30,180 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2018-10-04 13:20:30,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:30,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2018-10-04 13:20:30,271 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2018-10-04 13:20:30,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:20:30,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:30,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-04 13:20:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:31,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 35 states and 39 transitions. [2018-10-04 13:20:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2018-10-04 13:20:31,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:20:31,247 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 70 proven. 12 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-10-04 13:20:31,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:31,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 37 states and 41 transitions. [2018-10-04 13:20:31,593 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-10-04 13:20:31,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:20:31,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 120 proven. 12 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-04 13:20:31,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 39 states and 43 transitions. [2018-10-04 13:20:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-04 13:20:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:20:31,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:32,108 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-04 13:20:33,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:33,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 49 states and 54 transitions. [2018-10-04 13:20:33,314 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2018-10-04 13:20:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:20:33,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:33,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:33,653 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 0 proven. 262 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-10-04 13:20:35,046 WARN L178 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-04 13:20:35,793 WARN L178 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-10-04 13:20:36,759 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2018-10-04 13:20:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:36,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 59 states and 65 transitions. [2018-10-04 13:20:36,774 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2018-10-04 13:20:36,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:20:36,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 322 proven. 12 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2018-10-04 13:20:37,399 WARN L178 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 9 [2018-10-04 13:20:37,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:37,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 61 states and 67 transitions. [2018-10-04 13:20:37,583 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 67 transitions. [2018-10-04 13:20:37,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:20:37,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:37,741 INFO L134 CoverageAnalysis]: Checked inductivity of 536 backedges. 0 proven. 452 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-04 13:20:38,181 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-04 13:20:39,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:39,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 71 states and 78 transitions. [2018-10-04 13:20:39,437 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2018-10-04 13:20:39,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:20:39,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:39,478 INFO L134 CoverageAnalysis]: Checked inductivity of 744 backedges. 448 proven. 12 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-04 13:20:39,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:39,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 73 states and 80 transitions. [2018-10-04 13:20:39,864 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 80 transitions. [2018-10-04 13:20:39,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:20:39,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 0 proven. 694 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-10-04 13:20:42,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:42,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 83 states and 91 transitions. [2018-10-04 13:20:42,120 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2018-10-04 13:20:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:20:42,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:42,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1048 backedges. 574 proven. 12 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2018-10-04 13:20:42,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:42,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 85 states and 93 transitions. [2018-10-04 13:20:42,537 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions. [2018-10-04 13:20:42,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:20:42,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:42,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:42,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1112 backedges. 0 proven. 988 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2018-10-04 13:20:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:45,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 95 states and 104 transitions. [2018-10-04 13:20:45,002 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 104 transitions. [2018-10-04 13:20:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:20:45,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 700 proven. 12 refuted. 0 times theorem prover too weak. 692 trivial. 0 not checked. [2018-10-04 13:20:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 97 states and 106 transitions. [2018-10-04 13:20:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 106 transitions. [2018-10-04 13:20:45,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:20:45,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:45,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:46,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 0 proven. 1334 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-10-04 13:20:48,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:48,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 107 states and 117 transitions. [2018-10-04 13:20:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 117 transitions. [2018-10-04 13:20:48,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 13:20:48,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:48,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1812 backedges. 826 proven. 12 refuted. 0 times theorem prover too weak. 974 trivial. 0 not checked. [2018-10-04 13:20:49,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:49,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 109 states and 119 transitions. [2018-10-04 13:20:49,194 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 119 transitions. [2018-10-04 13:20:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 13:20:49,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 1896 backedges. 0 proven. 1732 refuted. 0 times theorem prover too weak. 164 trivial. 0 not checked. [2018-10-04 13:20:52,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:52,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 119 states and 130 transitions. [2018-10-04 13:20:52,566 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 130 transitions. [2018-10-04 13:20:52,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-04 13:20:52,567 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:52,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 952 proven. 12 refuted. 0 times theorem prover too weak. 1308 trivial. 0 not checked. [2018-10-04 13:20:53,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:53,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 121 states and 132 transitions. [2018-10-04 13:20:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 132 transitions. [2018-10-04 13:20:53,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-04 13:20:53,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 2366 backedges. 0 proven. 2182 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2018-10-04 13:20:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 131 states and 143 transitions. [2018-10-04 13:20:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 143 transitions. [2018-10-04 13:20:56,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-04 13:20:56,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 2784 backedges. 1078 proven. 12 refuted. 0 times theorem prover too weak. 1694 trivial. 0 not checked. [2018-10-04 13:20:57,789 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 9 [2018-10-04 13:20:58,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:20:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 133 states and 145 transitions. [2018-10-04 13:20:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 145 transitions. [2018-10-04 13:20:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-04 13:20:58,441 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:20:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:20:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2888 backedges. 0 proven. 2684 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-04 13:21:02,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:02,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 143 states and 156 transitions. [2018-10-04 13:21:02,165 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 156 transitions. [2018-10-04 13:21:02,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-04 13:21:02,166 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:02,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3348 backedges. 1204 proven. 12 refuted. 0 times theorem prover too weak. 2132 trivial. 0 not checked. [2018-10-04 13:21:02,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:02,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 145 states and 158 transitions. [2018-10-04 13:21:02,840 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2018-10-04 13:21:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-04 13:21:02,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:03,191 INFO L134 CoverageAnalysis]: Checked inductivity of 3462 backedges. 0 proven. 3238 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2018-10-04 13:21:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:07,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 155 states and 169 transitions. [2018-10-04 13:21:07,014 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 169 transitions. [2018-10-04 13:21:07,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-10-04 13:21:07,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:07,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3964 backedges. 1330 proven. 12 refuted. 0 times theorem prover too weak. 2622 trivial. 0 not checked. [2018-10-04 13:21:07,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:07,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 157 states and 171 transitions. [2018-10-04 13:21:07,768 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 171 transitions. [2018-10-04 13:21:07,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-04 13:21:07,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:08,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4088 backedges. 0 proven. 3844 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-04 13:21:12,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:12,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 167 states and 182 transitions. [2018-10-04 13:21:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 182 transitions. [2018-10-04 13:21:12,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-10-04 13:21:12,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4632 backedges. 1456 proven. 12 refuted. 0 times theorem prover too weak. 3164 trivial. 0 not checked. [2018-10-04 13:21:13,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:13,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 169 states and 184 transitions. [2018-10-04 13:21:13,415 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 184 transitions. [2018-10-04 13:21:13,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-04 13:21:13,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:14,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4766 backedges. 0 proven. 4502 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-10-04 13:21:17,768 WARN L178 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 9 [2018-10-04 13:21:18,719 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2018-10-04 13:21:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 179 states and 195 transitions. [2018-10-04 13:21:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 195 transitions. [2018-10-04 13:21:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-04 13:21:23,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:23,214 INFO L134 CoverageAnalysis]: Checked inductivity of 5352 backedges. 1582 proven. 12 refuted. 0 times theorem prover too weak. 3758 trivial. 0 not checked. [2018-10-04 13:21:23,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:23,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 181 states and 197 transitions. [2018-10-04 13:21:23,818 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 197 transitions. [2018-10-04 13:21:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-04 13:21:23,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:24,375 INFO L134 CoverageAnalysis]: Checked inductivity of 5496 backedges. 0 proven. 5212 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-10-04 13:21:24,856 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2018-10-04 13:21:29,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 191 states and 208 transitions. [2018-10-04 13:21:29,399 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 208 transitions. [2018-10-04 13:21:29,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-04 13:21:29,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:29,452 INFO L134 CoverageAnalysis]: Checked inductivity of 6124 backedges. 1708 proven. 12 refuted. 0 times theorem prover too weak. 4404 trivial. 0 not checked. [2018-10-04 13:21:30,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:30,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 193 states and 210 transitions. [2018-10-04 13:21:30,257 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 210 transitions. [2018-10-04 13:21:30,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-10-04 13:21:30,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6278 backedges. 0 proven. 5974 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2018-10-04 13:21:35,059 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2018-10-04 13:21:36,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:36,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 203 states and 221 transitions. [2018-10-04 13:21:36,202 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 221 transitions. [2018-10-04 13:21:36,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-04 13:21:36,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6948 backedges. 1834 proven. 12 refuted. 0 times theorem prover too weak. 5102 trivial. 0 not checked. [2018-10-04 13:21:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:37,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 205 states and 223 transitions. [2018-10-04 13:21:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 223 transitions. [2018-10-04 13:21:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-04 13:21:37,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:37,460 INFO L134 CoverageAnalysis]: Checked inductivity of 7112 backedges. 0 proven. 6788 refuted. 0 times theorem prover too weak. 324 trivial. 0 not checked. [2018-10-04 13:21:40,155 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2018-10-04 13:21:41,332 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 13:21:42,169 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 13:21:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 215 states and 234 transitions. [2018-10-04 13:21:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 234 transitions. [2018-10-04 13:21:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-04 13:21:43,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:43,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:43,359 INFO L134 CoverageAnalysis]: Checked inductivity of 7824 backedges. 1960 proven. 12 refuted. 0 times theorem prover too weak. 5852 trivial. 0 not checked. [2018-10-04 13:21:44,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:44,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 217 states and 236 transitions. [2018-10-04 13:21:44,072 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 236 transitions. [2018-10-04 13:21:44,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-04 13:21:44,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 7998 backedges. 0 proven. 7654 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2018-10-04 13:21:50,211 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 13:21:51,270 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 13:21:52,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:52,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 227 states and 247 transitions. [2018-10-04 13:21:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 247 transitions. [2018-10-04 13:21:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-04 13:21:52,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:52,596 INFO L134 CoverageAnalysis]: Checked inductivity of 8752 backedges. 2086 proven. 12 refuted. 0 times theorem prover too weak. 6654 trivial. 0 not checked. [2018-10-04 13:21:53,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:21:53,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 229 states and 249 transitions. [2018-10-04 13:21:53,756 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 249 transitions. [2018-10-04 13:21:53,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-10-04 13:21:53,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:21:53,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:21:54,567 INFO L134 CoverageAnalysis]: Checked inductivity of 8936 backedges. 0 proven. 8572 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-04 13:21:55,163 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 13:21:56,156 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 13:21:56,557 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 13:21:57,417 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 13:21:57,836 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 13:21:58,728 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 13:21:59,188 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-04 13:22:00,259 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-04 13:22:01,074 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2018-10-04 13:22:01,822 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-10-04 13:22:01,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:01,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 239 states and 260 transitions. [2018-10-04 13:22:01,843 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 260 transitions. [2018-10-04 13:22:01,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-10-04 13:22:01,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:01,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:01,909 INFO L134 CoverageAnalysis]: Checked inductivity of 9732 backedges. 2212 proven. 12 refuted. 0 times theorem prover too weak. 7508 trivial. 0 not checked. [2018-10-04 13:22:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:03,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 241 states and 262 transitions. [2018-10-04 13:22:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 262 transitions. [2018-10-04 13:22:03,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-10-04 13:22:03,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:04,429 INFO L134 CoverageAnalysis]: Checked inductivity of 9926 backedges. 0 proven. 9542 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-10-04 13:22:05,055 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 13:22:06,026 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 13:22:06,462 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 13:22:07,399 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 13:22:07,890 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 13:22:08,854 WARN L178 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 13:22:09,351 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 13:22:10,400 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 13:22:11,145 WARN L178 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-04 13:22:11,926 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 13:22:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:11,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 251 states and 273 transitions. [2018-10-04 13:22:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 273 transitions. [2018-10-04 13:22:11,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-10-04 13:22:11,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 10764 backedges. 2338 proven. 12 refuted. 0 times theorem prover too weak. 8414 trivial. 0 not checked. [2018-10-04 13:22:13,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:13,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 253 states and 275 transitions. [2018-10-04 13:22:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2018-10-04 13:22:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-04 13:22:13,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:14,122 INFO L134 CoverageAnalysis]: Checked inductivity of 10968 backedges. 0 proven. 10564 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2018-10-04 13:22:14,711 WARN L178 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-04 13:22:15,800 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-04 13:22:16,311 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-04 13:22:17,300 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-04 13:22:17,766 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2018-10-04 13:22:18,810 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2018-10-04 13:22:19,351 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 13:22:20,492 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 13:22:21,245 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-10-04 13:22:22,114 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-04 13:22:22,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:22,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 263 states and 286 transitions. [2018-10-04 13:22:22,135 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 286 transitions. [2018-10-04 13:22:22,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-04 13:22:22,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:22,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:22,207 INFO L134 CoverageAnalysis]: Checked inductivity of 11848 backedges. 2464 proven. 12 refuted. 0 times theorem prover too weak. 9372 trivial. 0 not checked. [2018-10-04 13:22:23,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 265 states and 288 transitions. [2018-10-04 13:22:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 288 transitions. [2018-10-04 13:22:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-10-04 13:22:23,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:23,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 12062 backedges. 0 proven. 11638 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2018-10-04 13:22:24,711 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 13:22:25,772 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 13:22:26,349 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 13:22:27,457 WARN L178 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 13:22:27,969 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 13:22:29,050 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2018-10-04 13:22:29,619 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 13:22:30,924 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-04 13:22:31,810 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-10-04 13:22:32,757 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-10-04 13:22:32,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:32,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 275 states and 299 transitions. [2018-10-04 13:22:32,778 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 299 transitions. [2018-10-04 13:22:32,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-10-04 13:22:32,779 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:32,851 INFO L134 CoverageAnalysis]: Checked inductivity of 12984 backedges. 2590 proven. 12 refuted. 0 times theorem prover too weak. 10382 trivial. 0 not checked. [2018-10-04 13:22:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 277 states and 301 transitions. [2018-10-04 13:22:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 301 transitions. [2018-10-04 13:22:33,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-10-04 13:22:33,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:34,523 INFO L134 CoverageAnalysis]: Checked inductivity of 13208 backedges. 0 proven. 12764 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2018-10-04 13:22:35,191 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 13:22:36,389 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 13:22:36,927 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 13:22:38,160 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 13:22:38,706 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 13:22:39,880 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 13:22:40,485 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:22:41,857 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 13:22:42,639 WARN L178 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 13:22:43,594 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-10-04 13:22:43,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:43,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 287 states and 312 transitions. [2018-10-04 13:22:43,615 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 312 transitions. [2018-10-04 13:22:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-04 13:22:43,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:43,701 INFO L134 CoverageAnalysis]: Checked inductivity of 14172 backedges. 2716 proven. 12 refuted. 0 times theorem prover too weak. 11444 trivial. 0 not checked. [2018-10-04 13:22:44,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:44,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 289 states and 314 transitions. [2018-10-04 13:22:44,744 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2018-10-04 13:22:44,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-04 13:22:44,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 14406 backedges. 0 proven. 13942 refuted. 0 times theorem prover too weak. 464 trivial. 0 not checked. [2018-10-04 13:22:46,207 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 13:22:47,518 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-04 13:22:48,083 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 13:22:49,295 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-04 13:22:49,863 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2018-10-04 13:22:51,124 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2018-10-04 13:22:51,804 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 13:22:53,251 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 13:22:54,123 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-10-04 13:22:55,223 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-04 13:22:55,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:55,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 299 states and 325 transitions. [2018-10-04 13:22:55,250 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 325 transitions. [2018-10-04 13:22:55,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-10-04 13:22:55,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:55,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:55,323 INFO L134 CoverageAnalysis]: Checked inductivity of 15412 backedges. 2842 proven. 12 refuted. 0 times theorem prover too weak. 12558 trivial. 0 not checked. [2018-10-04 13:22:56,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:22:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 301 states and 327 transitions. [2018-10-04 13:22:56,340 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 327 transitions. [2018-10-04 13:22:56,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-10-04 13:22:56,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:22:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:22:57,563 INFO L134 CoverageAnalysis]: Checked inductivity of 15656 backedges. 0 proven. 15172 refuted. 0 times theorem prover too weak. 484 trivial. 0 not checked. [2018-10-04 13:22:58,325 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:22:59,600 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 13:23:00,193 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:23:01,544 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 13:23:02,257 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2018-10-04 13:23:03,618 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 131 [2018-10-04 13:23:04,294 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-04 13:23:05,766 WARN L178 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 13:23:06,664 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-10-04 13:23:07,809 WARN L178 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-10-04 13:23:07,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 311 states and 338 transitions. [2018-10-04 13:23:07,832 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 338 transitions. [2018-10-04 13:23:07,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-10-04 13:23:07,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 16704 backedges. 2968 proven. 12 refuted. 0 times theorem prover too weak. 13724 trivial. 0 not checked. [2018-10-04 13:23:09,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:09,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 313 states and 340 transitions. [2018-10-04 13:23:09,008 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 340 transitions. [2018-10-04 13:23:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-10-04 13:23:09,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:09,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 16958 backedges. 0 proven. 16454 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2018-10-04 13:23:10,805 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 13:23:12,274 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 13:23:12,913 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 13:23:14,280 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 13:23:14,920 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 13:23:16,321 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 13:23:17,037 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 13:23:18,747 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 13:23:19,696 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 13:23:20,876 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-10-04 13:23:20,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:20,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 323 states and 351 transitions. [2018-10-04 13:23:20,898 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 351 transitions. [2018-10-04 13:23:20,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-04 13:23:20,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:20,995 INFO L134 CoverageAnalysis]: Checked inductivity of 18048 backedges. 3094 proven. 12 refuted. 0 times theorem prover too weak. 14942 trivial. 0 not checked. [2018-10-04 13:23:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:22,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 325 states and 353 transitions. [2018-10-04 13:23:22,321 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 353 transitions. [2018-10-04 13:23:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-10-04 13:23:22,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:23,095 INFO L134 CoverageAnalysis]: Checked inductivity of 18312 backedges. 0 proven. 17788 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2018-10-04 13:23:23,920 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-04 13:23:25,381 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 13:23:26,116 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-04 13:23:27,625 WARN L178 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 13:23:28,317 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 140 [2018-10-04 13:23:29,804 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2018-10-04 13:23:30,533 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 13:23:32,139 WARN L178 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 13:23:33,203 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 13:23:34,473 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 13:23:34,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:34,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 335 states and 364 transitions. [2018-10-04 13:23:34,498 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 364 transitions. [2018-10-04 13:23:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-10-04 13:23:34,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:34,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:34,662 INFO L134 CoverageAnalysis]: Checked inductivity of 19444 backedges. 3220 proven. 12 refuted. 0 times theorem prover too weak. 16212 trivial. 0 not checked. [2018-10-04 13:23:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:35,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 337 states and 366 transitions. [2018-10-04 13:23:35,887 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 366 transitions. [2018-10-04 13:23:35,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-10-04 13:23:35,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:35,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:36,607 INFO L134 CoverageAnalysis]: Checked inductivity of 19718 backedges. 0 proven. 19174 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2018-10-04 13:23:37,474 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 13:23:39,166 WARN L178 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 13:23:39,847 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 13:23:41,386 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 13:23:42,081 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 13:23:43,710 WARN L178 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2018-10-04 13:23:44,470 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 13:23:46,187 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 13:23:47,221 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-10-04 13:23:48,580 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-10-04 13:23:48,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:48,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 347 states and 377 transitions. [2018-10-04 13:23:48,605 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 377 transitions. [2018-10-04 13:23:48,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 347 [2018-10-04 13:23:48,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 20892 backedges. 3346 proven. 12 refuted. 0 times theorem prover too weak. 17534 trivial. 0 not checked. [2018-10-04 13:23:49,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:23:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 349 states and 379 transitions. [2018-10-04 13:23:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 379 transitions. [2018-10-04 13:23:49,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2018-10-04 13:23:49,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:23:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:23:50,654 INFO L134 CoverageAnalysis]: Checked inductivity of 21176 backedges. 0 proven. 20612 refuted. 0 times theorem prover too weak. 564 trivial. 0 not checked. [2018-10-04 13:23:51,557 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 13:23:53,250 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 13:23:53,998 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 13:23:55,636 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 13:23:56,390 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 13:23:58,076 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 13:23:58,925 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-04 13:24:00,787 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-04 13:24:01,870 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-04 13:24:03,319 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-10-04 13:24:03,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 359 states and 390 transitions. [2018-10-04 13:24:03,347 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 390 transitions. [2018-10-04 13:24:03,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2018-10-04 13:24:03,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 22392 backedges. 3472 proven. 12 refuted. 0 times theorem prover too weak. 18908 trivial. 0 not checked. [2018-10-04 13:24:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 361 states and 392 transitions. [2018-10-04 13:24:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 392 transitions. [2018-10-04 13:24:04,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-10-04 13:24:04,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:04,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:05,648 INFO L134 CoverageAnalysis]: Checked inductivity of 22686 backedges. 0 proven. 22102 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2018-10-04 13:24:06,797 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 13:24:08,643 WARN L178 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 13:24:09,411 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 13:24:11,143 WARN L178 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 13:24:11,921 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2018-10-04 13:24:13,720 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 13:24:14,579 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2018-10-04 13:24:16,504 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-10-04 13:24:17,727 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 13:24:19,262 WARN L178 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-04 13:24:19,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 371 states and 403 transitions. [2018-10-04 13:24:19,294 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 403 transitions. [2018-10-04 13:24:19,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2018-10-04 13:24:19,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:19,392 INFO L134 CoverageAnalysis]: Checked inductivity of 23944 backedges. 3598 proven. 12 refuted. 0 times theorem prover too weak. 20334 trivial. 0 not checked. [2018-10-04 13:24:20,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:20,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 373 states and 405 transitions. [2018-10-04 13:24:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 405 transitions. [2018-10-04 13:24:20,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-10-04 13:24:20,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:21,525 INFO L134 CoverageAnalysis]: Checked inductivity of 24248 backedges. 0 proven. 23644 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2018-10-04 13:24:22,525 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-04 13:24:24,406 WARN L178 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-04 13:24:25,196 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-04 13:24:27,072 WARN L178 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-04 13:24:27,904 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2018-10-04 13:24:29,745 WARN L178 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2018-10-04 13:24:30,647 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 13:24:32,617 WARN L178 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-04 13:24:33,865 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-10-04 13:24:35,490 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 13:24:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 383 states and 416 transitions. [2018-10-04 13:24:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 416 transitions. [2018-10-04 13:24:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2018-10-04 13:24:35,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:35,610 INFO L134 CoverageAnalysis]: Checked inductivity of 25548 backedges. 3724 proven. 12 refuted. 0 times theorem prover too weak. 21812 trivial. 0 not checked. [2018-10-04 13:24:36,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:24:36,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 385 states and 418 transitions. [2018-10-04 13:24:36,987 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 418 transitions. [2018-10-04 13:24:36,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-10-04 13:24:36,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:24:37,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-10-04 13:24:37,344 ERROR L616 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-10-04 13:24:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:24:37,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:24:37,547 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-10-04 13:24:37,547 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 13:24:37,549 INFO L168 Benchmark]: Toolchain (without parser) took 250985.18 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 950.0 MB). Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 111.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2018-10-04 13:24:37,550 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 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 13:24:37,551 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.56 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 13:24:37,551 INFO L168 Benchmark]: Boogie Preprocessor took 21.76 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 13:24:37,551 INFO L168 Benchmark]: RCFGBuilder took 366.04 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 13:24:37,552 INFO L168 Benchmark]: CodeCheck took 250556.16 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 950.0 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 90.8 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2018-10-04 13:24:37,555 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 758 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.18 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 37.56 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 21.76 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 366.04 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 250556.16 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 950.0 MB). Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 90.8 MB). Peak memory consumption was 1.0 GB. 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/nested1.i_4.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-24-37-566.csv Completed graceful shutdown