java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/KojakBplInline.xml -s ../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf -i ../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f [2018-10-04 13:33:07,851 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:33:07,855 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:33:07,876 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:33:07,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:33:07,879 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:33:07,881 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:33:07,883 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:33:07,886 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:33:07,887 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:33:07,889 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:33:07,890 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:33:07,891 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:33:07,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:33:07,899 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:33:07,900 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:33:07,904 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:33:07,906 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:33:07,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:33:07,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:33:07,918 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:33:07,920 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:33:07,925 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:33:07,925 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:33:07,926 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:33:07,926 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:33:07,927 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:33:07,933 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:33:07,936 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:33:07,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:33:07,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:33:07,938 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:33:07,938 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:33:07,938 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:33:07,940 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:33:07,941 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:33:07,941 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 13:33:07,970 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:33:07,970 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:33:07,971 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:33:07,971 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:33:07,972 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:33:07,972 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:33:07,973 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:33:07,973 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:33:07,973 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:33:07,973 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:33:07,973 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:33:07,974 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:33:07,974 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:33:07,974 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:33:07,974 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:33:07,974 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:33:07,975 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:33:07,975 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:33:07,975 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:33:07,975 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:33:07,975 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:33:07,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:33:07,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:33:07,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:33:07,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:33:07,976 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:33:07,977 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:33:07,977 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:33:07,977 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:33:08,029 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:33:08,044 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:33:08,051 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:33:08,052 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:33:08,053 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:33:08,054 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-10-04 13:33:08,055 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-10-04 13:33:08,105 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:33:08,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:33:08,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:33:08,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:33:08,108 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:33:08,128 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,147 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:33:08,147 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:33:08,147 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:33:08,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:33:08,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:33:08,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:33:08,151 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:33:08,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,171 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,172 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:33:08,173 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:33:08,173 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:33:08,173 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:33:08,174 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:33:08" (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 13:33:08,250 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-10-04 13:33:08,250 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-10-04 13:33:08,250 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-10-04 13:33:08,322 WARN L632 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-04 13:33:08,480 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:33:08,480 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:33:08 BoogieIcfgContainer [2018-10-04 13:33:08,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:33:08,481 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:33:08,481 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:33:08,491 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:33:08,491 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:33:08" (1/1) ... [2018-10-04 13:33:08,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:33:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 13:33:08,538 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 13:33:08,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:33:08,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:08,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:08,889 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 13:33:09,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:09,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-04 13:33:09,050 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-04 13:33:09,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:33:09,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:09,080 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:09,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:09,518 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 8 [2018-10-04 13:33:10,251 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-04 13:33:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-10-04 13:33:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-10-04 13:33:10,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:33:10,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:10,548 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:10,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:11,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:11,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2018-10-04 13:33:11,311 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2018-10-04 13:33:11,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:33:11,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:11,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:11,559 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 13:33:11,806 WARN L178 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 12 [2018-10-04 13:33:12,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:12,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-10-04 13:33:12,532 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-10-04 13:33:12,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:33:12,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:12,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:12,684 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:13,286 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-10-04 13:33:13,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:13,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-10-04 13:33:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-10-04 13:33:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:33:13,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:13,629 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:13,832 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:14,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:14,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2018-10-04 13:33:14,684 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2018-10-04 13:33:14,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:33:14,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:14,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:15,091 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:16,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:16,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-10-04 13:33:16,089 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-10-04 13:33:16,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:33:16,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:16,118 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:17,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-04 13:33:17,374 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-04 13:33:17,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:33:17,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:17,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:18,128 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-04 13:33:19,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:19,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-10-04 13:33:19,799 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-10-04 13:33:19,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:33:19,800 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:19,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:22,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:22,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2018-10-04 13:33:22,203 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2018-10-04 13:33:22,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:33:22,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:22,252 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:22,519 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:23,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:23,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-10-04 13:33:23,775 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-10-04 13:33:23,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:33:23,775 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:23,820 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:24,509 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2018-10-04 13:33:25,428 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-10-04 13:33:26,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-10-04 13:33:26,166 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-10-04 13:33:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:33:26,168 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:26,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:26,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:26,690 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:27,959 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-04 13:33:28,467 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-04 13:33:29,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:29,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-10-04 13:33:29,240 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-10-04 13:33:29,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:33:29,241 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:29,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:31,056 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-04 13:33:31,700 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-04 13:33:32,226 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-04 13:33:32,598 WARN L178 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-04 13:33:32,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:32,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-10-04 13:33:32,617 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-10-04 13:33:32,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:33:32,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:32,648 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:33,353 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:34,471 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-04 13:33:34,933 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 13:33:35,444 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-04 13:33:35,855 WARN L178 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-04 13:33:35,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2018-10-04 13:33:35,883 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2018-10-04 13:33:35,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:33:35,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:35,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:36,469 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:37,266 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-04 13:33:37,991 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-04 13:33:38,535 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-04 13:33:39,085 WARN L178 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-04 13:33:39,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:39,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2018-10-04 13:33:39,107 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2018-10-04 13:33:39,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:33:39,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:39,204 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:39,842 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:41,559 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 13:33:42,308 WARN L178 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-04 13:33:42,879 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-04 13:33:43,398 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-04 13:33:43,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:43,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2018-10-04 13:33:43,425 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2018-10-04 13:33:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:33:43,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:43,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:44,210 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:46,059 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-10-04 13:33:46,912 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-04 13:33:47,530 WARN L178 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-04 13:33:48,102 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-04 13:33:48,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:48,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-10-04 13:33:48,129 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-10-04 13:33:48,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:33:48,130 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:48,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:48,174 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:49,052 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:50,640 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-04 13:33:51,310 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-04 13:33:52,004 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-04 13:33:52,668 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-04 13:33:52,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:52,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2018-10-04 13:33:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2018-10-04 13:33:52,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:33:52,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:52,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:52,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:53,740 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:33:54,650 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-04 13:33:55,384 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-10-04 13:33:56,116 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-04 13:33:56,811 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-04 13:33:56,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:33:56,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 55 states and 108 transitions. [2018-10-04 13:33:56,829 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2018-10-04 13:33:56,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:33:56,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:33:56,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:33:56,885 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:33:57,832 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 13:33:58,683 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-10-04 13:33:59,468 WARN L178 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-10-04 13:34:00,278 WARN L178 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-04 13:34:01,068 WARN L178 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-04 13:34:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:01,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2018-10-04 13:34:01,087 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2018-10-04 13:34:01,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:34:01,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:01,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:34:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:34:03,108 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-10-04 13:34:03,918 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-10-04 13:34:04,740 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-04 13:34:05,501 WARN L178 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-04 13:34:05,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:05,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-10-04 13:34:05,523 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-10-04 13:34:05,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:34:05,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:05,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:34:07,089 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:34:07,844 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 46 [2018-10-04 13:34:08,574 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-10-04 13:34:09,911 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-10-04 13:34:10,770 WARN L178 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-04 13:34:11,589 WARN L178 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-10-04 13:34:11,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:11,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2018-10-04 13:34:11,609 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2018-10-04 13:34:11,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:34:11,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:11,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:34:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:34:15,125 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-10-04 13:34:16,074 WARN L178 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-10-04 13:34:17,000 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-04 13:34:17,922 WARN L178 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-04 13:34:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:17,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2018-10-04 13:34:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2018-10-04 13:34:17,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:34:17,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:18,250 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:34:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:34:20,261 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 25 [2018-10-04 13:34:21,077 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-10-04 13:34:22,492 WARN L178 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-04 13:34:23,502 WARN L178 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-04 13:34:24,436 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-04 13:34:24,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:24,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2018-10-04 13:34:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2018-10-04 13:34:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:34:24,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:24,779 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:34:26,281 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:34:29,070 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-10-04 13:34:30,557 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-04 13:34:31,649 WARN L178 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-10-04 13:34:32,678 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-10-04 13:34:32,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2018-10-04 13:34:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2018-10-04 13:34:32,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:34:32,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:32,765 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:34:34,314 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:34:36,683 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-10-04 13:34:37,876 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-04 13:34:39,021 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-10-04 13:34:40,196 WARN L178 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-10-04 13:34:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:40,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-10-04 13:34:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-10-04 13:34:40,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:34:40,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:40,650 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:34:43,589 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:34:44,612 WARN L178 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 25 [2018-10-04 13:34:45,570 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-10-04 13:34:47,293 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-10-04 13:34:48,472 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-04 13:34:49,702 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-10-04 13:34:49,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:49,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 147 transitions. [2018-10-04 13:34:49,727 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-10-04 13:34:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:34:49,728 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:49,799 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:34:52,200 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:34:54,918 WARN L178 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-04 13:34:56,276 WARN L178 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-10-04 13:34:57,567 WARN L178 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-04 13:34:58,840 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-10-04 13:34:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:34:58,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2018-10-04 13:34:58,877 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2018-10-04 13:34:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:34:58,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:34:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:34:58,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:35:00,915 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:35:02,395 WARN L178 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2018-10-04 13:35:03,849 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-10-04 13:35:05,153 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-04 13:35:06,505 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-10-04 13:35:06,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:35:06,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 79 states and 156 transitions. [2018-10-04 13:35:06,544 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 156 transitions. [2018-10-04 13:35:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:35:06,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:35:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:35:07,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:35:09,895 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:35:11,028 WARN L178 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 32 [2018-10-04 13:35:12,159 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-10-04 13:35:14,252 WARN L178 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-10-04 13:35:15,641 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-10-04 13:35:17,088 WARN L178 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-10-04 13:35:17,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:35:17,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2018-10-04 13:35:17,124 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2018-10-04 13:35:17,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:35:17,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:35:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:35:17,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:35:20,697 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:35:23,404 WARN L178 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 18 [2018-10-04 13:35:24,590 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-10-04 13:35:26,761 WARN L178 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-04 13:35:28,790 WARN L178 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-10-04 13:35:30,308 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-04 13:35:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:35:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-10-04 13:35:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-10-04 13:35:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:35:30,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:35:31,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:35:31,058 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:35:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:35:36,927 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 18 [2018-10-04 13:35:38,192 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-10-04 13:35:40,504 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-10-04 13:35:42,082 WARN L178 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-04 13:35:43,682 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-10-04 13:35:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:35:43,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-10-04 13:35:43,721 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-10-04 13:35:43,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:35:43,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:35:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:35:43,809 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:35:47,228 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:35:50,633 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-04 13:35:52,430 WARN L178 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-04 13:35:54,079 WARN L178 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-10-04 13:35:55,784 WARN L178 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-10-04 13:35:55,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:35:55,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-10-04 13:35:55,820 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-10-04 13:35:55,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:35:55,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:35:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:35:55,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:35:58,804 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:36:00,766 WARN L178 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-10-04 13:36:02,661 WARN L178 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-10-04 13:36:04,293 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-10-04 13:36:06,036 WARN L178 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-10-04 13:36:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:36:06,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2018-10-04 13:36:06,066 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2018-10-04 13:36:06,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:36:06,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:36:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:36:06,143 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:36:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:36:10,890 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-04 13:36:12,826 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2018-10-04 13:36:14,498 WARN L178 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-10-04 13:36:16,286 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-10-04 13:36:16,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:36:16,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2018-10-04 13:36:16,321 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2018-10-04 13:36:16,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:36:16,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:36:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:36:16,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:36:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:36:22,042 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-10-04 13:36:24,111 WARN L178 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-10-04 13:36:25,896 WARN L178 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-10-04 13:36:27,782 WARN L178 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-10-04 13:36:27,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:36:27,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 96 states and 190 transitions. [2018-10-04 13:36:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 190 transitions. [2018-10-04 13:36:27,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:36:27,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:36:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:36:28,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:36:31,557 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:36:33,234 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2018-10-04 13:36:34,860 WARN L178 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-10-04 13:36:37,826 WARN L178 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2018-10-04 13:36:39,626 WARN L178 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-04 13:36:41,645 WARN L178 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2018-10-04 13:36:41,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:36:41,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2018-10-04 13:36:41,692 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2018-10-04 13:36:41,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:36:41,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:36:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:36:41,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:36:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:36:49,384 WARN L178 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-04 13:36:51,630 WARN L178 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-04 13:36:53,552 WARN L178 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-10-04 13:36:55,654 WARN L178 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-10-04 13:36:55,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:36:55,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 200 transitions. [2018-10-04 13:36:55,689 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-10-04 13:36:55,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:36:55,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:36:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:36:56,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:37:00,655 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:37:02,355 WARN L178 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 25 [2018-10-04 13:37:04,062 WARN L178 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-10-04 13:37:07,152 WARN L178 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2018-10-04 13:37:09,131 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-10-04 13:37:11,362 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-04 13:37:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:37:11,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2018-10-04 13:37:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2018-10-04 13:37:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:37:11,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:37:11,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:37:11,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:37:15,887 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:37:20,430 WARN L178 SmtUtils]: Spent 516.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-04 13:37:22,856 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-10-04 13:37:24,926 WARN L178 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-10-04 13:37:27,267 WARN L178 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-10-04 13:37:27,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:37:27,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 106 states and 210 transitions. [2018-10-04 13:37:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 210 transitions. [2018-10-04 13:37:27,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:37:27,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:37:27,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:37:27,442 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-04 13:37:31,011 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:37:33,462 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-10-04 13:37:35,982 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 330 Received shutdown request... [2018-10-04 13:37:37,646 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 13:37:37,648 INFO L168 Benchmark]: Toolchain (without parser) took 269542.46 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -40.4 MB). Free memory was 1.5 GB in the beginning and 913.4 MB in the end (delta: 540.1 MB). Peak memory consumption was 499.7 MB. Max. memory is 7.1 GB. [2018-10-04 13:37:37,649 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.95 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 13:37:37,649 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.75 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 13:37:37,650 INFO L168 Benchmark]: Boogie Preprocessor took 22.12 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 13:37:37,650 INFO L168 Benchmark]: RCFGBuilder took 307.97 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 13:37:37,651 INFO L168 Benchmark]: CodeCheck took 269165.93 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -40.4 MB). Free memory was 1.4 GB in the beginning and 913.4 MB in the end (delta: 519.0 MB). Peak memory consumption was 478.6 MB. Max. memory is 7.1 GB. [2018-10-04 13:37:37,654 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 526 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.95 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 42.75 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 22.12 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 307.97 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 269165.93 ms. Allocated memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: -40.4 MB). Free memory was 1.4 GB in the beginning and 913.4 MB in the end (delta: 519.0 MB). Peak memory consumption was 478.6 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/Mult1-Safe.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-37-37-664.csv Completed graceful shutdown