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/real-life/GateController.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-1cc990c [2018-10-01 01:25:31,150 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-01 01:25:31,152 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-01 01:25:31,165 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-01 01:25:31,165 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-01 01:25:31,166 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-01 01:25:31,168 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-01 01:25:31,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-01 01:25:31,171 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-01 01:25:31,172 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-01 01:25:31,173 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-01 01:25:31,173 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-01 01:25:31,174 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-01 01:25:31,175 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-01 01:25:31,176 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-01 01:25:31,177 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-01 01:25:31,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-01 01:25:31,180 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-01 01:25:31,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-01 01:25:31,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-01 01:25:31,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-01 01:25:31,186 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-01 01:25:31,189 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-01 01:25:31,189 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-01 01:25:31,189 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-01 01:25:31,190 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-01 01:25:31,191 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-01 01:25:31,192 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-01 01:25:31,193 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-01 01:25:31,194 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-01 01:25:31,194 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-01 01:25:31,195 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-01 01:25:31,195 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-01 01:25:31,195 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-01 01:25:31,196 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-01 01:25:31,197 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-01 01:25:31,198 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-01 01:25:31,213 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-01 01:25:31,213 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-01 01:25:31,214 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-01 01:25:31,214 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-01 01:25:31,215 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-01 01:25:31,215 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-01 01:25:31,215 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-01 01:25:31,215 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-01 01:25:31,216 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-01 01:25:31,216 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-01 01:25:31,216 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-01 01:25:31,216 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-01 01:25:31,216 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-01 01:25:31,217 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-01 01:25:31,217 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-01 01:25:31,217 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-01 01:25:31,217 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-01 01:25:31,217 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-01 01:25:31,218 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-01 01:25:31,218 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-01 01:25:31,218 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-01 01:25:31,218 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:25:31,218 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-01 01:25:31,219 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-01 01:25:31,219 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-01 01:25:31,219 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-01 01:25:31,219 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-01 01:25:31,219 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-01 01:25:31,219 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-01 01:25:31,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-01 01:25:31,309 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-01 01:25:31,316 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-01 01:25:31,318 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-01 01:25:31,318 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-01 01:25:31,319 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2018-10-01 01:25:31,320 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2018-10-01 01:25:31,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-01 01:25:31,372 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-01 01:25:31,372 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-01 01:25:31,373 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-01 01:25:31,373 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-01 01:25:31,394 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,412 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-01 01:25:31,412 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-01 01:25:31,412 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-01 01:25:31,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-01 01:25:31,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-01 01:25:31,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-01 01:25:31,416 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-01 01:25:31,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,428 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,429 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,431 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... [2018-10-01 01:25:31,438 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-01 01:25:31,439 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-01 01:25:31,439 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-01 01:25:31,439 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-01 01:25:31,440 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 01.10 01:25:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-01 01:25:31,512 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-10-01 01:25:31,512 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-10-01 01:25:31,513 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-10-01 01:25:32,023 INFO L345 CfgBuilder]: Using library mode [2018-10-01 01:25:32,024 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:25:32 BoogieIcfgContainer [2018-10-01 01:25:32,024 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-01 01:25:32,025 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-01 01:25:32,026 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-01 01:25:32,039 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-01 01:25:32,039 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.10 01:25:32" (1/1) ... [2018-10-01 01:25:32,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-01 01:25:32,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:32,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-01 01:25:32,126 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-01 01:25:32,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-01 01:25:32,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:32,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:32,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:32,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:32,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-01 01:25:32,350 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-01 01:25:32,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-01 01:25:32,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:32,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:32,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-10-01 01:25:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-10-01 01:25:32,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-01 01:25:32,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:32,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:33,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-01 01:25:33,208 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-01 01:25:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-01 01:25:33,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:33,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:33,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 10 states and 25 transitions. [2018-10-01 01:25:33,560 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 25 transitions. [2018-10-01 01:25:33,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-01 01:25:33,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:33,826 WARN L178 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-10-01 01:25:34,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:34,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 11 states and 32 transitions. [2018-10-01 01:25:34,305 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 32 transitions. [2018-10-01 01:25:34,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-01 01:25:34,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:34,415 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:34,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 12 states and 40 transitions. [2018-10-01 01:25:34,578 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 40 transitions. [2018-10-01 01:25:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-01 01:25:34,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:34,668 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:34,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:34,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 13 states and 49 transitions. [2018-10-01 01:25:34,857 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 49 transitions. [2018-10-01 01:25:34,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-01 01:25:34,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:35,007 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:35,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 14 states and 59 transitions. [2018-10-01 01:25:35,247 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 59 transitions. [2018-10-01 01:25:35,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-01 01:25:35,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:35,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 15 states and 70 transitions. [2018-10-01 01:25:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 70 transitions. [2018-10-01 01:25:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-01 01:25:35,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:35,727 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 16 states and 82 transitions. [2018-10-01 01:25:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 82 transitions. [2018-10-01 01:25:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-01 01:25:35,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:35,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:36,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 17 states and 95 transitions. [2018-10-01 01:25:36,306 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 95 transitions. [2018-10-01 01:25:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-01 01:25:36,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:36,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:36,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 18 states and 109 transitions. [2018-10-01 01:25:36,849 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 109 transitions. [2018-10-01 01:25:36,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-01 01:25:36,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:36,964 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:37,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:37,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 19 states and 124 transitions. [2018-10-01 01:25:37,327 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 124 transitions. [2018-10-01 01:25:37,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-01 01:25:37,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:37,790 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:38,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:38,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 20 states and 140 transitions. [2018-10-01 01:25:38,050 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 140 transitions. [2018-10-01 01:25:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-01 01:25:38,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:38,766 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:39,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 21 states and 157 transitions. [2018-10-01 01:25:39,126 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 157 transitions. [2018-10-01 01:25:39,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-01 01:25:39,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:39,286 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 22 states and 175 transitions. [2018-10-01 01:25:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 175 transitions. [2018-10-01 01:25:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-01 01:25:39,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:40,389 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:40,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 23 states and 194 transitions. [2018-10-01 01:25:40,638 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 194 transitions. [2018-10-01 01:25:40,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-01 01:25:40,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:41,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:41,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 24 states and 214 transitions. [2018-10-01 01:25:41,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 214 transitions. [2018-10-01 01:25:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-01 01:25:41,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:41,596 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:41,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 25 states and 235 transitions. [2018-10-01 01:25:41,881 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 235 transitions. [2018-10-01 01:25:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-01 01:25:41,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:42,080 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:42,708 WARN L178 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-01 01:25:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 26 states and 257 transitions. [2018-10-01 01:25:42,884 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 257 transitions. [2018-10-01 01:25:42,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-01 01:25:42,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:43,042 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:43,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:43,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 27 states and 280 transitions. [2018-10-01 01:25:43,568 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 280 transitions. [2018-10-01 01:25:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-01 01:25:43,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:43,713 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:43,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 28 states and 304 transitions. [2018-10-01 01:25:43,918 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 304 transitions. [2018-10-01 01:25:43,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-01 01:25:43,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:44,077 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:44,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:44,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 29 states and 329 transitions. [2018-10-01 01:25:44,343 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 329 transitions. [2018-10-01 01:25:44,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-01 01:25:44,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:44,564 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 30 states and 355 transitions. [2018-10-01 01:25:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 355 transitions. [2018-10-01 01:25:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-01 01:25:44,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:45,107 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:45,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:45,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 31 states and 382 transitions. [2018-10-01 01:25:45,444 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 382 transitions. [2018-10-01 01:25:45,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-01 01:25:45,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:46,104 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:46,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 32 states and 410 transitions. [2018-10-01 01:25:46,510 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 410 transitions. [2018-10-01 01:25:46,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-01 01:25:46,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:47,893 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:48,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 33 states and 439 transitions. [2018-10-01 01:25:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 439 transitions. [2018-10-01 01:25:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-01 01:25:48,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:49,189 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:49,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:49,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 34 states and 469 transitions. [2018-10-01 01:25:49,604 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 469 transitions. [2018-10-01 01:25:49,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-01 01:25:49,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:50,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:50,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 35 states and 500 transitions. [2018-10-01 01:25:50,152 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 500 transitions. [2018-10-01 01:25:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-01 01:25:50,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:50,320 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:50,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:50,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 36 states and 532 transitions. [2018-10-01 01:25:50,587 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 532 transitions. [2018-10-01 01:25:50,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-01 01:25:50,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:50,744 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:51,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:51,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 37 states and 565 transitions. [2018-10-01 01:25:51,011 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 565 transitions. [2018-10-01 01:25:51,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-01 01:25:51,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:51,336 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:51,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:51,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 38 states and 599 transitions. [2018-10-01 01:25:51,707 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 599 transitions. [2018-10-01 01:25:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-01 01:25:51,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:52,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:52,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 39 states and 634 transitions. [2018-10-01 01:25:52,292 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 634 transitions. [2018-10-01 01:25:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-01 01:25:52,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:52,632 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:53,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:53,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 40 states and 670 transitions. [2018-10-01 01:25:53,247 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 670 transitions. [2018-10-01 01:25:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-01 01:25:53,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:54,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:54,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 41 states and 707 transitions. [2018-10-01 01:25:54,115 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 707 transitions. [2018-10-01 01:25:54,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-01 01:25:54,116 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:54,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 42 states and 745 transitions. [2018-10-01 01:25:54,628 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 745 transitions. [2018-10-01 01:25:54,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-01 01:25:54,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:55,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:55,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 43 states and 784 transitions. [2018-10-01 01:25:55,215 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 784 transitions. [2018-10-01 01:25:55,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-01 01:25:55,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:55,618 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:55,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 44 states and 824 transitions. [2018-10-01 01:25:55,942 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 824 transitions. [2018-10-01 01:25:55,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-01 01:25:55,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:25:56,150 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:25:57,369 WARN L178 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-10-01 01:25:59,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:25:59,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 45 states and 865 transitions. [2018-10-01 01:25:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 865 transitions. [2018-10-01 01:25:59,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-01 01:25:59,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:25:59,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:00,105 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:00,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:00,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 46 states and 907 transitions. [2018-10-01 01:26:00,466 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 907 transitions. [2018-10-01 01:26:00,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-01 01:26:00,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:00,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:00,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 47 states and 950 transitions. [2018-10-01 01:26:00,992 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 950 transitions. [2018-10-01 01:26:00,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-01 01:26:00,992 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:01,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 48 states and 994 transitions. [2018-10-01 01:26:01,817 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 994 transitions. [2018-10-01 01:26:01,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-01 01:26:01,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:02,000 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:02,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:02,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 49 states and 1039 transitions. [2018-10-01 01:26:02,433 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1039 transitions. [2018-10-01 01:26:02,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-01 01:26:02,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:02,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:02,629 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:03,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:03,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 50 states and 1085 transitions. [2018-10-01 01:26:03,040 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1085 transitions. [2018-10-01 01:26:03,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-01 01:26:03,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:03,299 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:03,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:03,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 51 states and 1132 transitions. [2018-10-01 01:26:03,855 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1132 transitions. [2018-10-01 01:26:03,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-01 01:26:03,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:03,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:04,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:04,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:04,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 52 states and 1180 transitions. [2018-10-01 01:26:04,673 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1180 transitions. [2018-10-01 01:26:04,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-01 01:26:04,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 53 states and 1229 transitions. [2018-10-01 01:26:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1229 transitions. [2018-10-01 01:26:05,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-01 01:26:05,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:05,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:06,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:06,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 54 states and 1279 transitions. [2018-10-01 01:26:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1279 transitions. [2018-10-01 01:26:06,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-01 01:26:06,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:06,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:06,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:06,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 55 states and 1330 transitions. [2018-10-01 01:26:06,954 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1330 transitions. [2018-10-01 01:26:06,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-01 01:26:06,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:07,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:07,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:07,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 56 states and 1382 transitions. [2018-10-01 01:26:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1382 transitions. [2018-10-01 01:26:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-01 01:26:07,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 57 states and 1435 transitions. [2018-10-01 01:26:08,321 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1435 transitions. [2018-10-01 01:26:08,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-01 01:26:08,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:08,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:08,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:09,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:09,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 58 states and 1489 transitions. [2018-10-01 01:26:09,090 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1489 transitions. [2018-10-01 01:26:09,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-01 01:26:09,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:09,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:09,458 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:09,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 59 states and 1544 transitions. [2018-10-01 01:26:09,940 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1544 transitions. [2018-10-01 01:26:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-01 01:26:09,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:11,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:11,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 60 states and 1600 transitions. [2018-10-01 01:26:11,978 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1600 transitions. [2018-10-01 01:26:11,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-01 01:26:11,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:12,486 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:13,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:13,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 61 states and 1657 transitions. [2018-10-01 01:26:13,008 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1657 transitions. [2018-10-01 01:26:13,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-01 01:26:13,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:13,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:14,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 62 states and 1715 transitions. [2018-10-01 01:26:14,751 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1715 transitions. [2018-10-01 01:26:14,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-01 01:26:14,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:15,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:15,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 63 states and 1774 transitions. [2018-10-01 01:26:15,501 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1774 transitions. [2018-10-01 01:26:15,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-01 01:26:15,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:15,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:15,947 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:16,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 64 states and 1834 transitions. [2018-10-01 01:26:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1834 transitions. [2018-10-01 01:26:16,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-01 01:26:16,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:17,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 65 states and 1895 transitions. [2018-10-01 01:26:17,325 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1895 transitions. [2018-10-01 01:26:17,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-01 01:26:17,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:17,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:18,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:18,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 66 states and 1957 transitions. [2018-10-01 01:26:18,169 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 1957 transitions. [2018-10-01 01:26:18,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-01 01:26:18,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:18,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:19,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:19,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 67 states and 2020 transitions. [2018-10-01 01:26:19,077 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2020 transitions. [2018-10-01 01:26:19,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-01 01:26:19,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:20,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 68 states and 2084 transitions. [2018-10-01 01:26:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2084 transitions. [2018-10-01 01:26:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-01 01:26:20,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:20,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:21,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:21,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 69 states and 2149 transitions. [2018-10-01 01:26:21,027 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2149 transitions. [2018-10-01 01:26:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-01 01:26:21,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:21,242 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:21,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:21,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 70 states and 2215 transitions. [2018-10-01 01:26:21,911 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2215 transitions. [2018-10-01 01:26:21,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-01 01:26:21,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:22,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:22,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:22,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 71 states and 2282 transitions. [2018-10-01 01:26:22,839 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2282 transitions. [2018-10-01 01:26:22,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-01 01:26:22,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:23,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:23,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 72 states and 2350 transitions. [2018-10-01 01:26:23,684 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2350 transitions. [2018-10-01 01:26:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-01 01:26:23,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:23,884 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:24,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:24,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 73 states and 2419 transitions. [2018-10-01 01:26:24,697 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2419 transitions. [2018-10-01 01:26:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-01 01:26:24,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:24,931 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:25,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:25,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 74 states and 2489 transitions. [2018-10-01 01:26:25,591 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2489 transitions. [2018-10-01 01:26:25,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-01 01:26:25,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:25,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:26,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 75 states and 2560 transitions. [2018-10-01 01:26:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2560 transitions. [2018-10-01 01:26:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-01 01:26:26,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:26,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:27,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:27,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 76 states and 2632 transitions. [2018-10-01 01:26:27,589 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2632 transitions. [2018-10-01 01:26:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-01 01:26:27,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:27,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:28,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 77 states and 2705 transitions. [2018-10-01 01:26:28,539 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2705 transitions. [2018-10-01 01:26:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-01 01:26:28,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:28,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:29,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:29,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 78 states and 2779 transitions. [2018-10-01 01:26:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2779 transitions. [2018-10-01 01:26:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-01 01:26:29,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:29,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:29,896 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:30,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:30,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 79 states and 2854 transitions. [2018-10-01 01:26:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2854 transitions. [2018-10-01 01:26:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-01 01:26:30,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:30,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:30,938 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 80 states and 2930 transitions. [2018-10-01 01:26:31,712 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 2930 transitions. [2018-10-01 01:26:31,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-01 01:26:31,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:31,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 81 states and 3007 transitions. [2018-10-01 01:26:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3007 transitions. [2018-10-01 01:26:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-01 01:26:32,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:33,055 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:33,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 82 states and 3085 transitions. [2018-10-01 01:26:33,839 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3085 transitions. [2018-10-01 01:26:33,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-01 01:26:33,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:34,096 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:35,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:35,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 83 states and 3164 transitions. [2018-10-01 01:26:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3164 transitions. [2018-10-01 01:26:35,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-01 01:26:35,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:35,352 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 84 states and 3244 transitions. [2018-10-01 01:26:36,150 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3244 transitions. [2018-10-01 01:26:36,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-01 01:26:36,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:37,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 85 states and 3325 transitions. [2018-10-01 01:26:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3325 transitions. [2018-10-01 01:26:37,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-01 01:26:37,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:37,509 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:38,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:38,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 86 states and 3407 transitions. [2018-10-01 01:26:38,335 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3407 transitions. [2018-10-01 01:26:38,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-01 01:26:38,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:39,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:39,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 87 states and 3490 transitions. [2018-10-01 01:26:39,433 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3490 transitions. [2018-10-01 01:26:39,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-01 01:26:39,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:40,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 88 states and 3574 transitions. [2018-10-01 01:26:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3574 transitions. [2018-10-01 01:26:40,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-01 01:26:40,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:40,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 89 states and 3659 transitions. [2018-10-01 01:26:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3659 transitions. [2018-10-01 01:26:42,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-01 01:26:42,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:42,568 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:43,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:43,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 90 states and 3745 transitions. [2018-10-01 01:26:43,491 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3745 transitions. [2018-10-01 01:26:43,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-01 01:26:43,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:43,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:44,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:44,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 91 states and 3832 transitions. [2018-10-01 01:26:44,672 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3832 transitions. [2018-10-01 01:26:44,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-01 01:26:44,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:46,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:46,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 92 states and 3920 transitions. [2018-10-01 01:26:46,135 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 3920 transitions. [2018-10-01 01:26:46,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-01 01:26:46,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:46,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:47,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 93 states and 4009 transitions. [2018-10-01 01:26:47,349 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4009 transitions. [2018-10-01 01:26:47,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-01 01:26:47,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:48,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:48,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 94 states and 4099 transitions. [2018-10-01 01:26:48,528 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4099 transitions. [2018-10-01 01:26:48,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-01 01:26:48,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:49,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 95 states and 4190 transitions. [2018-10-01 01:26:49,756 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4190 transitions. [2018-10-01 01:26:49,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-01 01:26:49,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:51,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 96 states and 4282 transitions. [2018-10-01 01:26:51,260 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4282 transitions. [2018-10-01 01:26:51,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-01 01:26:51,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:51,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:52,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:52,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 97 states and 4375 transitions. [2018-10-01 01:26:52,635 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4375 transitions. [2018-10-01 01:26:52,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-01 01:26:52,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:52,966 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:53,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:53,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 98 states and 4469 transitions. [2018-10-01 01:26:53,920 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4469 transitions. [2018-10-01 01:26:53,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-01 01:26:53,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:55,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 99 states and 4564 transitions. [2018-10-01 01:26:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4564 transitions. [2018-10-01 01:26:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-01 01:26:55,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 100 states and 4660 transitions. [2018-10-01 01:26:56,692 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4660 transitions. [2018-10-01 01:26:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-01 01:26:56,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:58,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:58,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 101 states and 4757 transitions. [2018-10-01 01:26:58,060 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4757 transitions. [2018-10-01 01:26:58,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-01 01:26:58,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:58,339 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:26:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:26:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 102 states and 4855 transitions. [2018-10-01 01:26:59,388 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4855 transitions. [2018-10-01 01:26:59,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-01 01:26:59,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:26:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:26:59,685 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:00,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:00,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 103 states and 4954 transitions. [2018-10-01 01:27:00,967 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 4954 transitions. [2018-10-01 01:27:00,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-01 01:27:00,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:01,285 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:02,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:02,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 104 states and 5054 transitions. [2018-10-01 01:27:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5054 transitions. [2018-10-01 01:27:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-01 01:27:02,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:02,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:02,846 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:03,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 105 states and 5155 transitions. [2018-10-01 01:27:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5155 transitions. [2018-10-01 01:27:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-01 01:27:03,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:04,270 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:27:05,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:27:05,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 106 states and 5257 transitions. [2018-10-01 01:27:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5257 transitions. [2018-10-01 01:27:05,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-01 01:27:05,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:27:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:27:32,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-01 01:30:58,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:30:58,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15662 states to 208 states and 15662 transitions. [2018-10-01 01:30:58,800 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 15662 transitions. [2018-10-01 01:30:58,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-01 01:30:58,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:30:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:30:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5150 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-01 01:33:51,099 WARN L178 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-10-01 01:35:08,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-01 01:35:08,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25863 states to 308 states and 25863 transitions. [2018-10-01 01:35:08,039 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 25863 transitions. [2018-10-01 01:35:08,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-01 01:35:08,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-01 01:35:08,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-01 01:35:08,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5250 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-01 01:35:53,825 WARN L178 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 19 Received shutdown request... [2018-10-01 01:38:45,521 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-01 01:38:45,524 INFO L168 Benchmark]: Toolchain (without parser) took 794156.00 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 455.9 MB. Max. memory is 7.1 GB. [2018-10-01 01:38:45,525 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:38:45,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:38:45,526 INFO L168 Benchmark]: Boogie Preprocessor took 23.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-01 01:38:45,527 INFO L168 Benchmark]: RCFGBuilder took 585.22 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-01 01:38:45,527 INFO L168 Benchmark]: CodeCheck took 793498.18 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 434.7 MB. Max. memory is 7.1 GB. [2018-10-01 01:38:45,531 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1688 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.82 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.61 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 585.22 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 793498.18 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 434.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GateController.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-01_01-38-45-542.csv Completed graceful shutdown