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/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-09-30 21:18:58,082 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-30 21:18:58,084 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-30 21:18:58,101 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-30 21:18:58,102 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-30 21:18:58,103 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-30 21:18:58,104 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-30 21:18:58,106 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-30 21:18:58,108 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-30 21:18:58,109 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-30 21:18:58,110 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-30 21:18:58,110 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-30 21:18:58,111 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-30 21:18:58,112 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-30 21:18:58,113 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-30 21:18:58,114 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-30 21:18:58,115 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-30 21:18:58,117 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-30 21:18:58,119 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-30 21:18:58,121 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-30 21:18:58,122 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-30 21:18:58,123 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-30 21:18:58,125 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-30 21:18:58,126 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-30 21:18:58,126 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-30 21:18:58,127 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-30 21:18:58,128 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-30 21:18:58,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-30 21:18:58,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-30 21:18:58,131 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-30 21:18:58,131 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-30 21:18:58,132 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-30 21:18:58,132 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-30 21:18:58,132 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-30 21:18:58,133 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-30 21:18:58,134 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-30 21:18:58,134 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 [2018-09-30 21:18:58,150 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-30 21:18:58,150 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-30 21:18:58,151 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-30 21:18:58,151 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-30 21:18:58,152 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-30 21:18:58,152 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-30 21:18:58,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-30 21:18:58,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-30 21:18:58,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-30 21:18:58,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-30 21:18:58,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-30 21:18:58,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-30 21:18:58,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-30 21:18:58,154 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-30 21:18:58,154 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-30 21:18:58,154 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-30 21:18:58,154 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-30 21:18:58,154 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-30 21:18:58,155 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-30 21:18:58,155 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-30 21:18:58,155 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-30 21:18:58,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:18:58,155 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-30 21:18:58,156 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-30 21:18:58,156 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-30 21:18:58,156 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-30 21:18:58,156 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-30 21:18:58,156 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-30 21:18:58,157 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-30 21:18:58,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-30 21:18:58,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-30 21:18:58,219 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-30 21:18:58,220 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-30 21:18:58,221 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-30 21:18:58,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl [2018-09-30 21:18:58,222 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/DivisibilityInterpolantRequired01-BackwardSuccess.bpl' [2018-09-30 21:18:58,271 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-30 21:18:58,275 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-30 21:18:58,275 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-30 21:18:58,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-30 21:18:58,276 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-30 21:18:58,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,317 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-30 21:18:58,317 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-30 21:18:58,317 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-30 21:18:58,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-30 21:18:58,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-30 21:18:58,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-30 21:18:58,320 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-30 21:18:58,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,338 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,339 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-30 21:18:58,340 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-30 21:18:58,340 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-30 21:18:58,340 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-30 21:18:58,341 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.09 09:18:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-30 21:18:58,412 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-09-30 21:18:58,413 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-09-30 21:18:58,608 INFO L345 CfgBuilder]: Using library mode [2018-09-30 21:18:58,609 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:18:58 BoogieIcfgContainer [2018-09-30 21:18:58,609 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-30 21:18:58,610 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-30 21:18:58,610 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-30 21:18:58,622 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-30 21:18:58,622 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.09 09:18:58" (1/1) ... [2018-09-30 21:18:58,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-30 21:18:58,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-30 21:18:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-30 21:18:58,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-30 21:18:58,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:58,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:59,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:59,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-30 21:18:59,080 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-30 21:18:59,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-30 21:18:59,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:59,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:59,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-09-30 21:18:59,338 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-09-30 21:18:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-30 21:18:59,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:59,425 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:18:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:18:59,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-30 21:18:59,831 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-30 21:18:59,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-30 21:18:59,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:18:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:18:59,905 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:00,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:00,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-09-30 21:19:00,214 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-09-30 21:19:00,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-30 21:19:00,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:00,283 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:00,727 WARN L178 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2018-09-30 21:19:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:00,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-30 21:19:00,812 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-30 21:19:00,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-30 21:19:00,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:00,925 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:01,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:01,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-30 21:19:01,135 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-30 21:19:01,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-30 21:19:01,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:01,193 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:01,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:01,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-09-30 21:19:01,718 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-09-30 21:19:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-30 21:19:01,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:02,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:02,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-09-30 21:19:02,081 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-09-30 21:19:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-30 21:19:02,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:02,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:02,199 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:02,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-09-30 21:19:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-09-30 21:19:02,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-30 21:19:02,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:02,574 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-09-30 21:19:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-09-30 21:19:02,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-30 21:19:02,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:02,932 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:03,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:03,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-30 21:19:03,329 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-30 21:19:03,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-30 21:19:03,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:03,867 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2018-09-30 21:19:03,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:03,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-09-30 21:19:03,889 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-09-30 21:19:03,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-30 21:19:03,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:04,023 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:04,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-09-30 21:19:04,403 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-09-30 21:19:04,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-30 21:19:04,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:04,639 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:05,185 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2018-09-30 21:19:05,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:05,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-09-30 21:19:05,214 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-09-30 21:19:05,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-30 21:19:05,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:05,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:05,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-09-30 21:19:05,723 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-09-30 21:19:05,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-30 21:19:05,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:05,874 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-09-30 21:19:06,609 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-09-30 21:19:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-30 21:19:06,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:07,013 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2018-09-30 21:19:07,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:07,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-09-30 21:19:07,264 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-09-30 21:19:07,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-30 21:19:07,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:07,398 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:07,950 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2018-09-30 21:19:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-09-30 21:19:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-09-30 21:19:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-30 21:19:07,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:08,082 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:08,341 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2018-09-30 21:19:08,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:08,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-09-30 21:19:08,647 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-09-30 21:19:08,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-30 21:19:08,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:08,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:08,768 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:09,843 WARN L178 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2018-09-30 21:19:09,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:09,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-09-30 21:19:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-09-30 21:19:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-30 21:19:09,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:10,262 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:10,598 WARN L178 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2018-09-30 21:19:10,895 WARN L178 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2018-09-30 21:19:11,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:11,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-09-30 21:19:11,040 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-09-30 21:19:11,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-30 21:19:11,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:11,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:11,382 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:11,647 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2018-09-30 21:19:12,584 WARN L178 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2018-09-30 21:19:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:12,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-09-30 21:19:12,609 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-09-30 21:19:12,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-30 21:19:12,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:12,979 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:13,571 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2018-09-30 21:19:14,452 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2018-09-30 21:19:14,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:14,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-09-30 21:19:14,493 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-09-30 21:19:14,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-30 21:19:14,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:15,149 WARN L178 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2018-09-30 21:19:15,579 WARN L178 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2018-09-30 21:19:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-09-30 21:19:15,603 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-09-30 21:19:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-30 21:19:15,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:15,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:15,785 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:16,144 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2018-09-30 21:19:16,523 WARN L178 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2018-09-30 21:19:16,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:16,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-09-30 21:19:16,548 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-09-30 21:19:16,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-30 21:19:16,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:17,301 WARN L178 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2018-09-30 21:19:17,753 WARN L178 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2018-09-30 21:19:17,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:17,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-09-30 21:19:17,778 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-09-30 21:19:17,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-30 21:19:17,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:17,991 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:18,455 WARN L178 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2018-09-30 21:19:18,893 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 138 [2018-09-30 21:19:18,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:18,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-09-30 21:19:18,929 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-09-30 21:19:18,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-30 21:19:18,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:19,125 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:20,077 WARN L178 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2018-09-30 21:19:20,575 WARN L178 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2018-09-30 21:19:20,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:20,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-09-30 21:19:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-09-30 21:19:20,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-30 21:19:20,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:21,935 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:22,709 WARN L178 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2018-09-30 21:19:23,187 WARN L178 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2018-09-30 21:19:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-09-30 21:19:23,215 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-09-30 21:19:23,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-30 21:19:23,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:23,401 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:23,923 WARN L178 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2018-09-30 21:19:24,437 WARN L178 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2018-09-30 21:19:24,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:24,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-09-30 21:19:24,468 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-09-30 21:19:24,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-30 21:19:24,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:25,351 WARN L178 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2018-09-30 21:19:25,893 WARN L178 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2018-09-30 21:19:25,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-09-30 21:19:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-09-30 21:19:25,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-30 21:19:25,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:26,570 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:27,044 WARN L178 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2018-09-30 21:19:27,899 WARN L178 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2018-09-30 21:19:27,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:27,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-09-30 21:19:27,929 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-09-30 21:19:27,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-30 21:19:27,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:28,623 WARN L178 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 167 [2018-09-30 21:19:29,223 WARN L178 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2018-09-30 21:19:29,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:29,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-09-30 21:19:29,258 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-09-30 21:19:29,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-30 21:19:29,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:30,013 WARN L178 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2018-09-30 21:19:30,674 WARN L178 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2018-09-30 21:19:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:30,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-09-30 21:19:30,708 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-09-30 21:19:30,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-30 21:19:30,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:30,935 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:31,544 WARN L178 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 177 [2018-09-30 21:19:32,201 WARN L178 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2018-09-30 21:19:32,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:32,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-09-30 21:19:32,229 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-09-30 21:19:32,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-30 21:19:32,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:32,510 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:33,055 WARN L178 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2018-09-30 21:19:33,729 WARN L178 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2018-09-30 21:19:33,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-09-30 21:19:33,767 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-09-30 21:19:33,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-30 21:19:33,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:34,065 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:34,734 WARN L178 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2018-09-30 21:19:35,539 WARN L178 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2018-09-30 21:19:35,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:35,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-09-30 21:19:35,640 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-09-30 21:19:35,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-30 21:19:35,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:36,080 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:36,740 WARN L178 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2018-09-30 21:19:37,493 WARN L178 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2018-09-30 21:19:37,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:37,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-09-30 21:19:37,523 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-09-30 21:19:37,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-30 21:19:37,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:37,793 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:38,490 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2018-09-30 21:19:39,279 WARN L178 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2018-09-30 21:19:39,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-09-30 21:19:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-09-30 21:19:39,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-30 21:19:39,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:39,556 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:40,209 WARN L178 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2018-09-30 21:19:41,039 WARN L178 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2018-09-30 21:19:41,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:41,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-09-30 21:19:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-09-30 21:19:41,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-30 21:19:41,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:41,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:42,069 WARN L178 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2018-09-30 21:19:42,938 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2018-09-30 21:19:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-09-30 21:19:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-09-30 21:19:42,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-30 21:19:42,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:42,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:44,308 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:45,036 WARN L178 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2018-09-30 21:19:45,975 WARN L178 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2018-09-30 21:19:46,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:46,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-09-30 21:19:46,006 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-09-30 21:19:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-30 21:19:46,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:46,344 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:47,087 WARN L178 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2018-09-30 21:19:48,000 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2018-09-30 21:19:48,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:48,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-09-30 21:19:48,030 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-09-30 21:19:48,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-30 21:19:48,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:49,308 WARN L178 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2018-09-30 21:19:50,251 WARN L178 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2018-09-30 21:19:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-09-30 21:19:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-09-30 21:19:50,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-30 21:19:50,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:50,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:51,601 WARN L178 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2018-09-30 21:19:52,628 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2018-09-30 21:19:52,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:52,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-09-30 21:19:52,658 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-09-30 21:19:52,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-30 21:19:52,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:52,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:53,956 WARN L178 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2018-09-30 21:19:54,965 WARN L178 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2018-09-30 21:19:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-09-30 21:19:54,999 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-09-30 21:19:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-30 21:19:54,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:55,302 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:56,222 WARN L178 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2018-09-30 21:19:57,233 WARN L178 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2018-09-30 21:19:57,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:57,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-09-30 21:19:57,268 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-09-30 21:19:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-30 21:19:57,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:19:57,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:19:58,482 WARN L178 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2018-09-30 21:19:59,574 WARN L178 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2018-09-30 21:19:59,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:19:59,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-09-30 21:19:59,606 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-09-30 21:19:59,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-30 21:19:59,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:19:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:00,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:01,106 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2018-09-30 21:20:02,257 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2018-09-30 21:20:02,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:02,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-09-30 21:20:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-09-30 21:20:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-30 21:20:02,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:03,568 WARN L178 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2018-09-30 21:20:04,743 WARN L178 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2018-09-30 21:20:04,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:04,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-09-30 21:20:04,780 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-09-30 21:20:04,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-30 21:20:04,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:06,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:07,205 WARN L178 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2018-09-30 21:20:08,383 WARN L178 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2018-09-30 21:20:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:08,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-09-30 21:20:08,413 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-09-30 21:20:08,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-30 21:20:08,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:08,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:09,839 WARN L178 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2018-09-30 21:20:11,127 WARN L178 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2018-09-30 21:20:11,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:11,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-09-30 21:20:11,163 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-09-30 21:20:11,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-30 21:20:11,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:11,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:12,603 WARN L178 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2018-09-30 21:20:13,927 WARN L178 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 268 [2018-09-30 21:20:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-09-30 21:20:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-09-30 21:20:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-30 21:20:13,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:15,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:16,065 WARN L178 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2018-09-30 21:20:17,434 WARN L178 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 273 [2018-09-30 21:20:17,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-09-30 21:20:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-09-30 21:20:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-30 21:20:17,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:18,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:19,169 WARN L178 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2018-09-30 21:20:20,522 WARN L178 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2018-09-30 21:20:20,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:20,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-09-30 21:20:20,557 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-09-30 21:20:20,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-30 21:20:20,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:20,945 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:22,102 WARN L178 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 282 [2018-09-30 21:20:23,500 WARN L178 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 283 [2018-09-30 21:20:23,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:23,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-09-30 21:20:23,533 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-09-30 21:20:23,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-30 21:20:23,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:23,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:24,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:25,156 WARN L178 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2018-09-30 21:20:26,707 WARN L178 SmtUtils]: Spent 503.00 ms on a formula simplification that was a NOOP. DAG size: 288 [2018-09-30 21:20:26,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:26,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-09-30 21:20:26,750 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-09-30 21:20:26,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-30 21:20:26,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:27,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:28,319 WARN L178 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 292 [2018-09-30 21:20:29,796 WARN L178 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 293 [2018-09-30 21:20:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-09-30 21:20:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-09-30 21:20:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-30 21:20:29,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:30,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:31,713 WARN L178 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2018-09-30 21:20:33,284 WARN L178 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 298 [2018-09-30 21:20:33,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:33,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-09-30 21:20:33,320 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-09-30 21:20:33,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-30 21:20:33,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:34,984 WARN L178 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 302 [2018-09-30 21:20:36,536 WARN L178 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 303 [2018-09-30 21:20:36,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-09-30 21:20:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-09-30 21:20:36,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-30 21:20:36,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:38,476 WARN L178 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 307 [2018-09-30 21:20:40,125 WARN L178 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 308 [2018-09-30 21:20:40,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-09-30 21:20:40,160 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-09-30 21:20:40,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-30 21:20:40,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:40,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:40,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:42,025 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 312 [2018-09-30 21:20:43,680 WARN L178 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2018-09-30 21:20:43,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:43,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-09-30 21:20:43,717 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-09-30 21:20:43,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-30 21:20:43,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:43,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:44,212 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:45,511 WARN L178 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 317 [2018-09-30 21:20:47,331 WARN L178 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 318 [2018-09-30 21:20:47,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-09-30 21:20:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-09-30 21:20:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-30 21:20:47,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:53,031 WARN L178 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2018-09-30 21:20:54,780 WARN L178 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 323 [2018-09-30 21:20:54,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:54,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-09-30 21:20:54,819 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-09-30 21:20:54,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-30 21:20:54,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:55,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:20:56,802 WARN L178 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2018-09-30 21:20:58,634 WARN L178 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 328 [2018-09-30 21:20:58,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:20:58,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-09-30 21:20:58,675 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-09-30 21:20:58,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-30 21:20:58,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:20:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:20:59,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:00,654 WARN L178 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2018-09-30 21:21:02,597 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 333 [2018-09-30 21:21:02,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:02,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-09-30 21:21:02,634 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-09-30 21:21:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-30 21:21:02,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:03,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:04,762 WARN L178 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 337 [2018-09-30 21:21:06,675 WARN L178 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2018-09-30 21:21:06,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:06,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-09-30 21:21:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-09-30 21:21:06,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-30 21:21:06,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:06,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:07,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:08,798 WARN L178 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2018-09-30 21:21:10,761 WARN L178 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 343 [2018-09-30 21:21:10,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-09-30 21:21:10,800 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-09-30 21:21:10,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-30 21:21:10,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:11,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:13,047 WARN L178 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2018-09-30 21:21:15,031 WARN L178 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 348 [2018-09-30 21:21:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-09-30 21:21:15,068 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-09-30 21:21:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-30 21:21:15,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:15,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:17,215 WARN L178 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 352 [2018-09-30 21:21:19,309 WARN L178 SmtUtils]: Spent 546.00 ms on a formula simplification that was a NOOP. DAG size: 353 [2018-09-30 21:21:19,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-09-30 21:21:19,347 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-09-30 21:21:19,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-30 21:21:19,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:20,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:21,611 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2018-09-30 21:21:23,712 WARN L178 SmtUtils]: Spent 537.00 ms on a formula simplification that was a NOOP. DAG size: 358 [2018-09-30 21:21:23,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-09-30 21:21:23,753 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-09-30 21:21:23,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-30 21:21:23,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:26,003 WARN L178 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 362 [2018-09-30 21:21:28,253 WARN L178 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 363 [2018-09-30 21:21:28,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:28,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-09-30 21:21:28,297 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-09-30 21:21:28,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-30 21:21:28,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:29,716 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:31,410 WARN L178 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 367 [2018-09-30 21:21:33,698 WARN L178 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 368 [2018-09-30 21:21:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:33,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-09-30 21:21:33,739 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-09-30 21:21:33,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-30 21:21:33,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:35,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:36,876 WARN L178 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2018-09-30 21:21:39,204 WARN L178 SmtUtils]: Spent 586.00 ms on a formula simplification that was a NOOP. DAG size: 373 [2018-09-30 21:21:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:39,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-09-30 21:21:39,244 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-09-30 21:21:39,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-30 21:21:39,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:41,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:43,195 WARN L178 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2018-09-30 21:21:45,590 WARN L178 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 378 [2018-09-30 21:21:45,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-09-30 21:21:45,636 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-09-30 21:21:45,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-30 21:21:45,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:48,086 WARN L178 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 382 [2018-09-30 21:21:50,515 WARN L178 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 383 [2018-09-30 21:21:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-09-30 21:21:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-09-30 21:21:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-30 21:21:50,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:51,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:53,929 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 387 [2018-09-30 21:21:56,385 WARN L178 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 388 [2018-09-30 21:21:56,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:21:56,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-09-30 21:21:56,427 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-09-30 21:21:56,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-30 21:21:56,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:21:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:21:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:21:59,138 WARN L178 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 392 [2018-09-30 21:22:01,662 WARN L178 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2018-09-30 21:22:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-09-30 21:22:01,706 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-09-30 21:22:01,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-30 21:22:01,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:02,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:04,437 WARN L178 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 397 [2018-09-30 21:22:07,014 WARN L178 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 398 [2018-09-30 21:22:07,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:07,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-09-30 21:22:07,057 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-09-30 21:22:07,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-30 21:22:07,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:07,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:09,786 WARN L178 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 402 [2018-09-30 21:22:12,387 WARN L178 SmtUtils]: Spent 648.00 ms on a formula simplification that was a NOOP. DAG size: 403 [2018-09-30 21:22:12,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:12,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-09-30 21:22:12,431 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-09-30 21:22:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-30 21:22:12,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:13,183 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:15,296 WARN L178 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 407 [2018-09-30 21:22:17,967 WARN L178 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 408 [2018-09-30 21:22:18,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:18,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-09-30 21:22:18,024 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-09-30 21:22:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-30 21:22:18,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:20,949 WARN L178 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 412 [2018-09-30 21:22:23,708 WARN L178 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 413 [2018-09-30 21:22:23,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:23,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-09-30 21:22:23,751 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-09-30 21:22:23,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-30 21:22:23,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:24,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:26,861 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 417 [2018-09-30 21:22:29,741 WARN L178 SmtUtils]: Spent 769.00 ms on a formula simplification that was a NOOP. DAG size: 418 [2018-09-30 21:22:29,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:29,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-09-30 21:22:29,784 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-09-30 21:22:29,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-30 21:22:29,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:30,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:32,768 WARN L178 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 422 [2018-09-30 21:22:35,631 WARN L178 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 423 [2018-09-30 21:22:35,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:35,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-09-30 21:22:35,681 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-09-30 21:22:35,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-30 21:22:35,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:36,387 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:38,573 WARN L178 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 427 [2018-09-30 21:22:41,502 WARN L178 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 428 [2018-09-30 21:22:41,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-09-30 21:22:41,546 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-09-30 21:22:41,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-30 21:22:41,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:41,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:44,721 WARN L178 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 432 [2018-09-30 21:22:47,695 WARN L178 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 433 [2018-09-30 21:22:47,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:47,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-09-30 21:22:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-09-30 21:22:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-30 21:22:47,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:48,488 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:50,799 WARN L178 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 437 [2018-09-30 21:22:53,859 WARN L178 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 438 [2018-09-30 21:22:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:22:53,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-09-30 21:22:53,905 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-09-30 21:22:53,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-30 21:22:53,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:22:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:22:54,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:22:57,147 WARN L178 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 442 [2018-09-30 21:23:00,355 WARN L178 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 443 [2018-09-30 21:23:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:23:00,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-09-30 21:23:00,403 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-09-30 21:23:00,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-30 21:23:00,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:23:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:23:01,214 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:23:03,613 WARN L178 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2018-09-30 21:23:06,774 WARN L178 SmtUtils]: Spent 767.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2018-09-30 21:23:06,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-30 21:23:06,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-09-30 21:23:06,823 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-09-30 21:23:06,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-30 21:23:06,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-30 21:23:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-30 21:23:07,650 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-30 21:23:10,093 WARN L178 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 452 [2018-09-30 21:23:13,306 WARN L178 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 453 Received shutdown request... [2018-09-30 21:23:13,364 INFO L202 PluginConnector]: Adding new model DivisibilityInterpolantRequired01-BackwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 30.09 09:23:13 ImpRootNode [2018-09-30 21:23:13,364 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-09-30 21:23:13,365 INFO L168 Benchmark]: Toolchain (without parser) took 255093.02 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -124.8 MB). Free memory was 1.5 GB in the beginning and 1.2 GB in the end (delta: 216.0 MB). Peak memory consumption was 91.2 MB. Max. memory is 7.1 GB. [2018-09-30 21:23:13,366 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. [2018-09-30 21:23:13,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.26 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. [2018-09-30 21:23:13,367 INFO L168 Benchmark]: Boogie Preprocessor took 18.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-30 21:23:13,367 INFO L168 Benchmark]: RCFGBuilder took 269.52 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. [2018-09-30 21:23:13,367 INFO L168 Benchmark]: CodeCheck took 254754.29 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -124.8 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 194.9 MB). Peak memory consumption was 70.1 MB. Max. memory is 7.1 GB. [2018-09-30 21:23:13,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 21]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 21) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 5 locations, 1 error locations. UNKNOWN Result, 254.7s OverallTime, 90 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, -14 SolverSat, -10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 142.2s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 42.2s InterpolantComputationTime, 4185 NumberOfCodeBlocks, 4185 NumberOfCodeBlocksAsserted, 90 NumberOfCheckSat, 4095 ConstructedInterpolants, 0 QuantifiedInterpolants, 1729455 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 90 InterpolantComputations, 1 PerfectInterpolantSequences, 0/121485 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * 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 44.26 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 18.95 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 269.52 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 254754.29 ms. Allocated memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: -124.8 MB). Free memory was 1.4 GB in the beginning and 1.2 GB in the end (delta: 194.9 MB). Peak memory consumption was 70.1 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/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-09-30_21-23-13-380.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/DivisibilityInterpolantRequired01-BackwardSuccess.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-30_21-23-13-380.csv Completed graceful shutdown