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 0.1.23-1cc990c [2018-10-01 02:48:48,813 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 02:48:48,815 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 02:48:48,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 02:48:48,833 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 02:48:48,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 02:48:48,836 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 02:48:48,838 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 02:48:48,841 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 02:48:48,842 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 02:48:48,850 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 02:48:48,850 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 02:48:48,851 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 02:48:48,852 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 02:48:48,855 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 02:48:48,856 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 02:48:48,857 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 02:48:48,859 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 02:48:48,864 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 02:48:48,867 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 02:48:48,869 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 02:48:48,870 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 02:48:48,872 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 02:48:48,872 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 02:48:48,872 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 02:48:48,875 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 02:48:48,876 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 02:48:48,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 02:48:48,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 02:48:48,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 02:48:48,880 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 02:48:48,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 02:48:48,881 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 02:48:48,881 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 02:48:48,882 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 02:48:48,883 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 02:48:48,883 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 [2018-10-01 02:48:48,910 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 02:48:48,910 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 02:48:48,911 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 02:48:48,913 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 02:48:48,915 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 02:48:48,915 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 02:48:48,915 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 02:48:48,915 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 02:48:48,916 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 02:48:48,916 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 02:48:48,916 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 02:48:48,916 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 02:48:48,916 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 02:48:48,916 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 02:48:48,917 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 02:48:48,917 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 02:48:48,917 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 02:48:48,917 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 02:48:48,919 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 02:48:48,919 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 02:48:48,919 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 02:48:48,919 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:48:48,919 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 02:48:48,920 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 02:48:48,920 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 02:48:48,920 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 02:48:48,920 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 02:48:48,920 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 02:48:48,920 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 02:48:48,970 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 02:48:48,987 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 02:48:48,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 02:48:48,993 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 02:48:48,994 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 02:48:48,995 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl [2018-10-01 02:48:48,995 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/nonlinear/Mult1-Safe.bpl' [2018-10-01 02:48:49,041 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 02:48:49,044 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 02:48:49,045 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 02:48:49,045 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 02:48:49,046 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 02:48:49,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,081 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 02:48:49,081 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 02:48:49,081 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 02:48:49,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 02:48:49,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 02:48:49,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 02:48:49,084 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 02:48:49,095 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 02:48:49,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 02:48:49,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 02:48:49,106 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 02:48:49,107 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 02:48:49" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 02:48:49,177 INFO L124 BoogieDeclarations]: Specification and implementation of procedure mult given in one single declaration [2018-10-01 02:48:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure mult [2018-10-01 02:48:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure mult [2018-10-01 02:48:49,251 WARN L639 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2018-10-01 02:48:49,444 INFO L345 CfgBuilder]: Using library mode [2018-10-01 02:48:49,445 INFO L202 PluginConnector]: Adding new model Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:48:49 BoogieIcfgContainer [2018-10-01 02:48:49,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 02:48:49,447 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 02:48:49,447 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 02:48:49,460 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 02:48:49,460 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Mult1-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 02:48:49" (1/1) ... [2018-10-01 02:48:49,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 02:48:49,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-01 02:48:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-01 02:48:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 02:48:49,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:49,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:49,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-10-01 02:48:49,993 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-10-01 02:48:49,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 02:48:49,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:50,018 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:50,458 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 8 [2018-10-01 02:48:51,200 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-01 02:48:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:51,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 10 states and 18 transitions. [2018-10-01 02:48:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 18 transitions. [2018-10-01 02:48:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 02:48:51,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:51,494 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:51,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:52,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2018-10-01 02:48:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2018-10-01 02:48:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 02:48:52,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:52,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:53,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:53,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-10-01 02:48:53,451 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-10-01 02:48:53,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 02:48:53,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:53,470 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:54,184 WARN L178 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-10-01 02:48:54,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:54,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 18 states and 34 transitions. [2018-10-01 02:48:54,472 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 34 transitions. [2018-10-01 02:48:54,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 02:48:54,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:54,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:55,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2018-10-01 02:48:55,757 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2018-10-01 02:48:55,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 02:48:55,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:55,785 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 23 states and 44 transitions. [2018-10-01 02:48:57,162 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 44 transitions. [2018-10-01 02:48:57,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 02:48:57,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:57,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:58,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:48:58,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 25 states and 48 transitions. [2018-10-01 02:48:58,274 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 48 transitions. [2018-10-01 02:48:58,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 02:48:58,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:48:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:48:58,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:48:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:48:59,067 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2018-10-01 02:49:00,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:00,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 27 states and 52 transitions. [2018-10-01 02:49:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 52 transitions. [2018-10-01 02:49:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 02:49:00,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:00,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:01,371 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:02,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:02,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 29 states and 56 transitions. [2018-10-01 02:49:02,662 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 56 transitions. [2018-10-01 02:49:02,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 02:49:02,663 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:02,695 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:04,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:04,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 31 states and 60 transitions. [2018-10-01 02:49:04,413 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 60 transitions. [2018-10-01 02:49:04,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 02:49:04,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:04,464 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:04,819 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:05,164 WARN L178 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2018-10-01 02:49:06,099 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2018-10-01 02:49:06,825 WARN L178 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-10-01 02:49:06,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-10-01 02:49:06,918 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-10-01 02:49:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 02:49:06,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:06,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:07,386 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:08,653 WARN L178 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2018-10-01 02:49:09,156 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2018-10-01 02:49:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-10-01 02:49:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-10-01 02:49:09,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 02:49:09,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:09,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:09,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:10,574 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:12,034 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-10-01 02:49:12,651 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-01 02:49:13,149 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2018-10-01 02:49:13,556 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2018-10-01 02:49:13,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:13,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-10-01 02:49:13,574 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-10-01 02:49:13,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 02:49:13,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:13,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:14,263 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:15,415 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2018-10-01 02:49:15,926 WARN L178 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-01 02:49:16,449 WARN L178 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-10-01 02:49:16,872 WARN L178 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-10-01 02:49:16,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:16,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 82 transitions. [2018-10-01 02:49:16,892 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 82 transitions. [2018-10-01 02:49:16,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 02:49:16,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:16,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:18,281 WARN L178 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-01 02:49:19,020 WARN L178 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-01 02:49:19,576 WARN L178 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2018-10-01 02:49:20,114 WARN L178 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2018-10-01 02:49:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:20,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2018-10-01 02:49:20,135 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2018-10-01 02:49:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 02:49:20,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:20,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:22,793 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-01 02:49:23,547 WARN L178 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-10-01 02:49:24,133 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2018-10-01 02:49:24,642 WARN L178 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-10-01 02:49:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:24,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2018-10-01 02:49:24,663 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2018-10-01 02:49:24,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 02:49:24,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:24,776 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:25,452 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:27,413 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2018-10-01 02:49:28,247 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2018-10-01 02:49:28,895 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-10-01 02:49:29,468 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2018-10-01 02:49:29,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:29,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-10-01 02:49:29,495 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-10-01 02:49:29,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 02:49:29,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:29,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:29,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:30,437 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:32,100 WARN L178 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2018-10-01 02:49:32,763 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-10-01 02:49:33,460 WARN L178 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2018-10-01 02:49:34,147 WARN L178 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2018-10-01 02:49:34,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:34,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 53 states and 104 transitions. [2018-10-01 02:49:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 104 transitions. [2018-10-01 02:49:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 02:49:34,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:34,237 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:35,265 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:36,159 WARN L178 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-10-01 02:49:36,955 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 159 [2018-10-01 02:49:37,682 WARN L178 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-10-01 02:49:38,383 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-10-01 02:49:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 55 states and 108 transitions. [2018-10-01 02:49:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 108 transitions. [2018-10-01 02:49:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 02:49:38,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:38,463 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:39,421 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:40,278 WARN L178 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2018-10-01 02:49:41,091 WARN L178 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-10-01 02:49:42,032 WARN L178 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2018-10-01 02:49:42,837 WARN L178 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2018-10-01 02:49:42,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:42,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 57 states and 112 transitions. [2018-10-01 02:49:42,861 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 112 transitions. [2018-10-01 02:49:42,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 02:49:42,862 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:42,926 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:43,958 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:44,863 WARN L178 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-10-01 02:49:45,716 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2018-10-01 02:49:46,570 WARN L178 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2018-10-01 02:49:47,369 WARN L178 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-10-01 02:49:47,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:47,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 59 states and 116 transitions. [2018-10-01 02:49:47,389 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 116 transitions. [2018-10-01 02:49:47,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 02:49:47,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:47,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:47,642 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:48,940 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:49,713 WARN L178 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 46 [2018-10-01 02:49:50,454 WARN L178 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2018-10-01 02:49:51,827 WARN L178 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-10-01 02:49:52,685 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-10-01 02:49:53,519 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2018-10-01 02:49:53,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:49:53,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2018-10-01 02:49:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2018-10-01 02:49:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 02:49:53,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:49:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:49:53,605 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:49:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:49:57,075 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-10-01 02:49:58,093 WARN L178 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2018-10-01 02:49:59,069 WARN L178 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2018-10-01 02:49:59,995 WARN L178 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2018-10-01 02:50:00,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:00,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 126 transitions. [2018-10-01 02:50:00,021 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 126 transitions. [2018-10-01 02:50:00,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 02:50:00,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:00,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:00,312 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:50:01,523 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:02,378 WARN L178 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 25 [2018-10-01 02:50:03,227 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2018-10-01 02:50:04,665 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-10-01 02:50:05,665 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-10-01 02:50:06,665 WARN L178 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-10-01 02:50:06,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2018-10-01 02:50:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2018-10-01 02:50:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 02:50:06,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:07,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:50:08,621 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:11,483 WARN L178 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2018-10-01 02:50:13,018 WARN L178 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-01 02:50:14,077 WARN L178 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2018-10-01 02:50:15,173 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2018-10-01 02:50:15,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:15,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2018-10-01 02:50:15,202 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2018-10-01 02:50:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 02:50:15,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:15,274 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:50:16,889 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:19,314 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2018-10-01 02:50:20,555 WARN L178 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-01 02:50:21,721 WARN L178 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2018-10-01 02:50:22,888 WARN L178 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-10-01 02:50:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:22,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 72 states and 142 transitions. [2018-10-01 02:50:22,916 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 142 transitions. [2018-10-01 02:50:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 02:50:22,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:23,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:50:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:27,750 WARN L178 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 25 [2018-10-01 02:50:28,779 WARN L178 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-10-01 02:50:30,535 WARN L178 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-10-01 02:50:31,714 WARN L178 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-10-01 02:50:33,028 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2018-10-01 02:50:33,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:33,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 147 transitions. [2018-10-01 02:50:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-10-01 02:50:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 02:50:33,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:33,136 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:50:35,514 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:38,240 WARN L178 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-01 02:50:39,603 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-10-01 02:50:40,924 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2018-10-01 02:50:42,227 WARN L178 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2018-10-01 02:50:42,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 77 states and 152 transitions. [2018-10-01 02:50:42,259 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 152 transitions. [2018-10-01 02:50:42,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 02:50:42,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:42,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:50:44,376 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:45,899 WARN L178 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2018-10-01 02:50:47,375 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2018-10-01 02:50:48,701 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-10-01 02:50:50,063 WARN L178 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-10-01 02:50:50,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:50:50,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 79 states and 156 transitions. [2018-10-01 02:50:50,106 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 156 transitions. [2018-10-01 02:50:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 02:50:50,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:50:50,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:50:50,766 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:50:53,371 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:50:54,530 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 32 [2018-10-01 02:50:55,695 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-10-01 02:50:57,798 WARN L178 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2018-10-01 02:50:59,289 WARN L178 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2018-10-01 02:51:00,706 WARN L178 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2018-10-01 02:51:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2018-10-01 02:51:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2018-10-01 02:51:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 02:51:00,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:01,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:01,376 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:51:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:07,005 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 18 [2018-10-01 02:51:08,269 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 251 [2018-10-01 02:51:10,418 WARN L178 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-10-01 02:51:12,186 WARN L178 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2018-10-01 02:51:13,736 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-10-01 02:51:13,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-10-01 02:51:13,766 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-10-01 02:51:13,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 02:51:13,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:14,505 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:51:17,669 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:20,455 WARN L178 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 18 [2018-10-01 02:51:21,817 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2018-10-01 02:51:24,110 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2018-10-01 02:51:25,735 WARN L178 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-10-01 02:51:27,372 WARN L178 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2018-10-01 02:51:27,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:27,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-10-01 02:51:27,412 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-10-01 02:51:27,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 02:51:27,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:27,534 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:51:31,851 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:35,356 WARN L178 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-10-01 02:51:37,205 WARN L178 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-01 02:51:38,815 WARN L178 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2018-10-01 02:51:40,630 WARN L178 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2018-10-01 02:51:40,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:40,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 178 transitions. [2018-10-01 02:51:40,669 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 178 transitions. [2018-10-01 02:51:40,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 02:51:40,669 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:40,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:40,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:51:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:45,651 WARN L178 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-10-01 02:51:47,527 WARN L178 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-10-01 02:51:49,207 WARN L178 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-10-01 02:51:51,057 WARN L178 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-10-01 02:51:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:51:51,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 92 states and 182 transitions. [2018-10-01 02:51:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 182 transitions. [2018-10-01 02:51:51,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 02:51:51,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:51:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:51:51,161 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:51:54,131 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:51:56,114 WARN L178 SmtUtils]: Spent 445.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-01 02:51:58,140 WARN L178 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 284 [2018-10-01 02:51:59,955 WARN L178 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2018-10-01 02:52:01,843 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2018-10-01 02:52:01,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:01,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 94 states and 186 transitions. [2018-10-01 02:52:01,881 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 186 transitions. [2018-10-01 02:52:01,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 02:52:01,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:01,977 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:52:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:07,238 WARN L178 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2018-10-01 02:52:09,442 WARN L178 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-10-01 02:52:11,274 WARN L178 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 261 [2018-10-01 02:52:13,268 WARN L178 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-10-01 02:52:13,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:13,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 96 states and 190 transitions. [2018-10-01 02:52:13,320 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 190 transitions. [2018-10-01 02:52:13,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 02:52:13,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:14,722 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:52:17,546 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:19,388 WARN L178 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 46 [2018-10-01 02:52:21,055 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 299 [2018-10-01 02:52:24,230 WARN L178 SmtUtils]: Spent 507.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2018-10-01 02:52:26,128 WARN L178 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-10-01 02:52:28,243 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2018-10-01 02:52:28,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:28,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2018-10-01 02:52:28,290 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2018-10-01 02:52:28,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 02:52:28,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:28,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:52:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:36,308 WARN L178 SmtUtils]: Spent 514.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-10-01 02:52:38,708 WARN L178 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-10-01 02:52:40,747 WARN L178 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 275 [2018-10-01 02:52:42,946 WARN L178 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 276 [2018-10-01 02:52:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 101 states and 200 transitions. [2018-10-01 02:52:42,986 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 200 transitions. [2018-10-01 02:52:42,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 02:52:42,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:44,220 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:52:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:52:50,129 WARN L178 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 25 [2018-10-01 02:52:51,920 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 315 [2018-10-01 02:52:55,246 WARN L178 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 316 [2018-10-01 02:52:57,319 WARN L178 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-10-01 02:52:59,681 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-10-01 02:52:59,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:52:59,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2018-10-01 02:52:59,724 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2018-10-01 02:52:59,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 02:52:59,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:52:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:52:59,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:53:04,350 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:09,243 WARN L178 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-10-01 02:53:11,865 WARN L178 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-10-01 02:53:14,042 WARN L178 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2018-10-01 02:53:16,519 WARN L178 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2018-10-01 02:53:16,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 106 states and 210 transitions. [2018-10-01 02:53:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 210 transitions. [2018-10-01 02:53:16,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 02:53:16,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:16,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:53:20,492 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:23,214 WARN L178 SmtUtils]: Spent 567.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2018-10-01 02:53:25,841 WARN L178 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 330 [2018-10-01 02:53:28,218 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2018-10-01 02:53:30,747 WARN L178 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-10-01 02:53:30,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:30,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 108 states and 214 transitions. [2018-10-01 02:53:30,783 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 214 transitions. [2018-10-01 02:53:30,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 02:53:30,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:32,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:53:35,588 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:53:37,672 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 32 [2018-10-01 02:53:39,845 WARN L178 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-10-01 02:53:43,524 WARN L178 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-10-01 02:53:45,941 WARN L178 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-10-01 02:53:48,552 WARN L178 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 304 [2018-10-01 02:53:48,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:53:48,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 110 states and 219 transitions. [2018-10-01 02:53:48,618 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 219 transitions. [2018-10-01 02:53:48,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 02:53:48,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:53:50,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:53:50,148 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:53:55,733 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:00,303 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 18 [2018-10-01 02:54:02,537 WARN L178 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-10-01 02:54:06,304 WARN L178 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2018-10-01 02:54:08,895 WARN L178 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2018-10-01 02:54:11,654 WARN L178 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 311 [2018-10-01 02:54:11,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:11,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 113 states and 225 transitions. [2018-10-01 02:54:11,693 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2018-10-01 02:54:11,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 02:54:11,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:13,557 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:54:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:23,182 WARN L178 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 18 [2018-10-01 02:54:25,562 WARN L178 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-10-01 02:54:29,468 WARN L178 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 354 [2018-10-01 02:54:32,197 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-10-01 02:54:35,068 WARN L178 SmtUtils]: Spent 522.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-10-01 02:54:35,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:35,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 116 states and 231 transitions. [2018-10-01 02:54:35,115 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 231 transitions. [2018-10-01 02:54:35,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 02:54:35,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:35,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:35,326 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:54:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:54:45,611 WARN L178 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2018-10-01 02:54:48,878 WARN L178 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 361 [2018-10-01 02:54:51,573 WARN L178 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 324 [2018-10-01 02:54:54,645 WARN L178 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2018-10-01 02:54:54,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:54:54,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 119 states and 236 transitions. [2018-10-01 02:54:54,721 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 236 transitions. [2018-10-01 02:54:54,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 02:54:54,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:54:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:54:57,357 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:55:03,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:06,208 WARN L178 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 25 [2018-10-01 02:55:08,745 WARN L178 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-10-01 02:55:13,086 WARN L178 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 369 [2018-10-01 02:55:16,042 WARN L178 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 331 [2018-10-01 02:55:19,242 WARN L178 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-10-01 02:55:19,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:19,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 241 transitions. [2018-10-01 02:55:19,316 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 241 transitions. [2018-10-01 02:55:19,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 02:55:19,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:21,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:55:27,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:32,424 WARN L178 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 374 DAG size of output: 18 [2018-10-01 02:55:34,997 WARN L178 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 376 [2018-10-01 02:55:39,433 WARN L178 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-10-01 02:55:42,358 WARN L178 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-10-01 02:55:45,815 WARN L178 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2018-10-01 02:55:45,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:55:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 124 states and 247 transitions. [2018-10-01 02:55:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 247 transitions. [2018-10-01 02:55:45,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 02:55:45,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:55:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:55:46,023 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:55:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:55:57,561 WARN L178 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-10-01 02:56:01,244 WARN L178 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 384 [2018-10-01 02:56:04,373 WARN L178 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 345 [2018-10-01 02:56:07,989 WARN L178 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2018-10-01 02:56:08,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:08,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 127 states and 252 transitions. [2018-10-01 02:56:08,036 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 252 transitions. [2018-10-01 02:56:08,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 02:56:08,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:08,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:56:14,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:17,852 WARN L178 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2018-10-01 02:56:21,647 WARN L178 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-10-01 02:56:24,905 WARN L178 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-10-01 02:56:28,543 WARN L178 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-10-01 02:56:28,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 129 states and 256 transitions. [2018-10-01 02:56:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 256 transitions. [2018-10-01 02:56:28,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 02:56:28,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:31,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:31,325 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:56:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:56:40,549 WARN L178 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 32 [2018-10-01 02:56:43,324 WARN L178 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2018-10-01 02:56:48,570 WARN L178 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2018-10-01 02:56:51,917 WARN L178 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 359 [2018-10-01 02:56:55,731 WARN L178 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 360 [2018-10-01 02:56:55,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:56:55,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 131 states and 261 transitions. [2018-10-01 02:56:55,771 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 261 transitions. [2018-10-01 02:56:55,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 02:56:55,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:56:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:56:55,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:57:03,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:10,360 WARN L178 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-10-01 02:57:14,188 WARN L178 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-10-01 02:57:17,412 WARN L178 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 366 [2018-10-01 02:57:21,073 WARN L178 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-10-01 02:57:21,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:21,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 134 states and 266 transitions. [2018-10-01 02:57:21,192 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 266 transitions. [2018-10-01 02:57:21,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 02:57:21,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:21,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:57:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:32,046 WARN L178 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 414 [2018-10-01 02:57:35,966 WARN L178 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2018-10-01 02:57:39,349 WARN L178 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-10-01 02:57:43,131 WARN L178 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2018-10-01 02:57:43,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:57:43,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 136 states and 270 transitions. [2018-10-01 02:57:43,276 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 270 transitions. [2018-10-01 02:57:43,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 02:57:43,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:57:43,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:57:43,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:57:50,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:57:54,151 WARN L178 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 421 [2018-10-01 02:57:58,230 WARN L178 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-10-01 02:58:01,725 WARN L178 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 380 [2018-10-01 02:58:05,667 WARN L178 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 381 [2018-10-01 02:58:09,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:09,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 138 states and 274 transitions. [2018-10-01 02:58:09,059 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 274 transitions. [2018-10-01 02:58:09,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 02:58:09,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:09,271 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:58:18,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:58:22,231 WARN L178 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-10-01 02:58:26,434 WARN L178 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-10-01 02:58:29,991 WARN L178 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-10-01 02:58:34,049 WARN L178 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-10-01 02:58:39,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:58:39,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 140 states and 278 transitions. [2018-10-01 02:58:39,891 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 278 transitions. [2018-10-01 02:58:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 02:58:39,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:58:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:58:43,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:58:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:59:01,581 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 46 [2018-10-01 02:59:04,732 WARN L178 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 436 [2018-10-01 02:59:10,616 WARN L178 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-10-01 02:59:14,308 WARN L178 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2018-10-01 02:59:18,489 WARN L178 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2018-10-01 02:59:18,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:59:18,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 142 states and 283 transitions. [2018-10-01 02:59:18,547 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 283 transitions. [2018-10-01 02:59:18,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 02:59:18,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:59:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:59:22,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:59:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 02:59:35,442 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 18 [2018-10-01 02:59:38,691 WARN L178 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2018-10-01 02:59:44,415 WARN L178 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 445 [2018-10-01 02:59:48,269 WARN L178 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2018-10-01 02:59:52,572 WARN L178 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-10-01 02:59:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 02:59:52,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 145 states and 289 transitions. [2018-10-01 02:59:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 289 transitions. [2018-10-01 02:59:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 02:59:52,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 02:59:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 02:59:52,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 02:59:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:00:07,062 WARN L178 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 451 [2018-10-01 03:00:11,626 WARN L178 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2018-10-01 03:00:15,633 WARN L178 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-10-01 03:00:20,129 WARN L178 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 409 [2018-10-01 03:00:20,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:00:20,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 148 states and 294 transitions. [2018-10-01 03:00:20,215 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 294 transitions. [2018-10-01 03:00:20,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 03:00:20,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:00:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:00:20,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 03:00:30,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:00:35,192 WARN L178 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 459 [2018-10-01 03:00:39,962 WARN L178 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2018-10-01 03:00:43,942 WARN L178 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 415 [2018-10-01 03:00:48,525 WARN L178 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 416 [2018-10-01 03:00:48,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:00:48,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 150 states and 298 transitions. [2018-10-01 03:00:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 298 transitions. [2018-10-01 03:00:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 03:00:48,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:00:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:00:53,693 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 03:01:00,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:01:04,745 WARN L178 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 465 DAG size of output: 32 [2018-10-01 03:01:08,552 WARN L178 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 467 [2018-10-01 03:01:15,313 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 468 [2018-10-01 03:01:19,733 WARN L178 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-10-01 03:01:24,711 WARN L178 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-10-01 03:01:24,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:01:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 303 transitions. [2018-10-01 03:01:24,798 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 303 transitions. [2018-10-01 03:01:24,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 03:01:24,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:01:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:01:31,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 03:01:41,387 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:01:49,788 WARN L178 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 18 [2018-10-01 03:01:53,644 WARN L178 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 475 [2018-10-01 03:02:00,315 WARN L178 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 476 [2018-10-01 03:02:04,882 WARN L178 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 429 [2018-10-01 03:02:09,882 WARN L178 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 430 [2018-10-01 03:02:10,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 03:02:10,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2018-10-01 03:02:10,417 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2018-10-01 03:02:10,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 03:02:10,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 03:02:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 03:02:17,541 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-01 03:02:26,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 03:02:35,152 WARN L178 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 481 DAG size of output: 18 [2018-10-01 03:02:39,113 WARN L178 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 483 Received shutdown request... [2018-10-01 03:02:46,012 WARN L186 SmtUtils]: Removed 2 from assertion stack [2018-10-01 03:02:46,012 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 03:02:46,015 INFO L168 Benchmark]: Toolchain (without parser) took 836972.97 ms. Allocated memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: -492.8 MB). Free memory was 1.5 GB in the beginning and 828.6 MB in the end (delta: 626.0 MB). Peak memory consumption was 171.6 MB. Max. memory is 7.1 GB. [2018-10-01 03:02:46,016 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 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. [2018-10-01 03:02:46,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.29 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. [2018-10-01 03:02:46,017 INFO L168 Benchmark]: Boogie Preprocessor took 21.32 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. [2018-10-01 03:02:46,017 INFO L168 Benchmark]: RCFGBuilder took 339.71 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. [2018-10-01 03:02:46,018 INFO L168 Benchmark]: CodeCheck took 836567.34 ms. Allocated memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: -492.8 MB). Free memory was 1.4 GB in the beginning and 828.6 MB in the end (delta: 604.8 MB). Peak memory consumption was 150.5 MB. Max. memory is 7.1 GB. [2018-10-01 03:02:46,022 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 PredicateUnifier was unifying predicates, while SimplifyDDAWithTimeout was simplifying term of DAG size 484. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 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 38.29 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 21.32 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 339.71 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 836567.34 ms. Allocated memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: -492.8 MB). Free memory was 1.4 GB in the beginning and 828.6 MB in the end (delta: 604.8 MB). Peak memory consumption was 150.5 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-0-2018-10-01_03-02-46-035.csv Completed graceful shutdown