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-d19836b [2018-09-26 22:03:46,018 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:03:46,021 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:03:46,037 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:03:46,038 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:03:46,039 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:03:46,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:03:46,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:03:46,047 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:03:46,050 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:03:46,051 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:03:46,051 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:03:46,058 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:03:46,059 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:03:46,061 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:03:46,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:03:46,066 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:03:46,068 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:03:46,074 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:03:46,078 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:03:46,081 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:03:46,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:03:46,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:03:46,092 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:03:46,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:03:46,093 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:03:46,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:03:46,097 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:03:46,098 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:03:46,101 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:03:46,101 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:03:46,102 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:03:46,103 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:03:46,103 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:03:46,107 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:03:46,108 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:03:46,108 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-26 22:03:46,138 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:03:46,140 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:03:46,141 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:03:46,142 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:03:46,142 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:03:46,143 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:03:46,143 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:03:46,143 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:03:46,143 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:03:46,143 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:03:46,144 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:03:46,144 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:03:46,144 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:03:46,144 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:03:46,144 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:03:46,145 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:03:46,145 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:03:46,145 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:03:46,145 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:03:46,146 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:03:46,147 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:03:46,147 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:03:46,147 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:03:46,147 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:03:46,147 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:03:46,148 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:03:46,223 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:03:46,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:03:46,246 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:03:46,249 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:03:46,249 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:03:46,250 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2018-09-26 22:03:46,251 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2018-09-26 22:03:46,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:03:46,321 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:03:46,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:03:46,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:03:46,323 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:03:46,346 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,360 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,365 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 22:03:46,365 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 22:03:46,365 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 22:03:46,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:03:46,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:03:46,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:03:46,370 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:03:46,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,398 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:03:46,399 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:03:46,399 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:03:46,399 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:03:46,400 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:03:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:03:46,494 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-09-26 22:03:46,494 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-09-26 22:03:46,494 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-09-26 22:03:46,954 INFO L343 CfgBuilder]: Using library mode [2018-09-26 22:03:46,955 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:03:46 BoogieIcfgContainer [2018-09-26 22:03:46,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:03:46,956 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:03:46,956 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:03:46,967 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:03:46,968 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:03:46" (1/1) ... [2018-09-26 22:03:46,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:03:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:47,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 22:03:47,018 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 22:03:47,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 22:03:47,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:47,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:47,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:47,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-09-26 22:03:47,364 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-09-26 22:03:47,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 22:03:47,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:47,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:47,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-09-26 22:03:47,812 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-09-26 22:03:47,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:03:47,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:47,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:48,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-09-26 22:03:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-09-26 22:03:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:03:48,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:48,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:48,358 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:48,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:48,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 10 states and 25 transitions. [2018-09-26 22:03:48,530 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 25 transitions. [2018-09-26 22:03:48,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 22:03:48,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 11 states and 32 transitions. [2018-09-26 22:03:49,146 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 32 transitions. [2018-09-26 22:03:49,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:03:49,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:49,274 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:49,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:49,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 12 states and 40 transitions. [2018-09-26 22:03:49,428 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 40 transitions. [2018-09-26 22:03:49,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:03:49,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:49,538 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:49,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:49,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 13 states and 49 transitions. [2018-09-26 22:03:49,705 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 49 transitions. [2018-09-26 22:03:49,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 22:03:49,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:49,913 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:50,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:50,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 14 states and 59 transitions. [2018-09-26 22:03:50,127 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 59 transitions. [2018-09-26 22:03:50,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:03:50,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:50,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:50,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 15 states and 70 transitions. [2018-09-26 22:03:50,455 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 70 transitions. [2018-09-26 22:03:50,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:03:50,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:50,578 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:50,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:50,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 16 states and 82 transitions. [2018-09-26 22:03:50,755 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 82 transitions. [2018-09-26 22:03:50,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 22:03:50,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:51,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 17 states and 95 transitions. [2018-09-26 22:03:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 95 transitions. [2018-09-26 22:03:51,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:03:51,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 18 states and 109 transitions. [2018-09-26 22:03:51,706 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 109 transitions. [2018-09-26 22:03:51,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:03:51,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:51,832 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:52,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:52,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 19 states and 124 transitions. [2018-09-26 22:03:52,246 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 124 transitions. [2018-09-26 22:03:52,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 22:03:52,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:52,383 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:52,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:52,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 20 states and 140 transitions. [2018-09-26 22:03:52,647 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 140 transitions. [2018-09-26 22:03:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:03:52,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:53,399 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 21 states and 157 transitions. [2018-09-26 22:03:53,753 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 157 transitions. [2018-09-26 22:03:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:03:53,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:53,900 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:54,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:54,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 22 states and 175 transitions. [2018-09-26 22:03:54,246 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 175 transitions. [2018-09-26 22:03:54,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 22:03:54,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:54,996 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:55,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 23 states and 194 transitions. [2018-09-26 22:03:55,261 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 194 transitions. [2018-09-26 22:03:55,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:03:55,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:55,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:55,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 24 states and 214 transitions. [2018-09-26 22:03:55,701 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 214 transitions. [2018-09-26 22:03:55,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:03:55,702 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:55,938 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:56,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:56,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 25 states and 235 transitions. [2018-09-26 22:03:56,203 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 235 transitions. [2018-09-26 22:03:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 22:03:56,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:56,361 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:56,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 26 states and 257 transitions. [2018-09-26 22:03:56,988 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 257 transitions. [2018-09-26 22:03:56,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:03:56,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:57,861 WARN L178 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-26 22:03:58,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:58,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 27 states and 280 transitions. [2018-09-26 22:03:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 280 transitions. [2018-09-26 22:03:58,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:03:58,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:58,280 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:58,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:58,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 28 states and 304 transitions. [2018-09-26 22:03:58,549 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 304 transitions. [2018-09-26 22:03:58,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 22:03:58,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:58,722 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:59,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:59,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 29 states and 329 transitions. [2018-09-26 22:03:59,027 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 329 transitions. [2018-09-26 22:03:59,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:03:59,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:59,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 30 states and 355 transitions. [2018-09-26 22:03:59,487 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 355 transitions. [2018-09-26 22:03:59,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:03:59,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:59,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:03:59,661 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:03:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:03:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 31 states and 382 transitions. [2018-09-26 22:03:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 382 transitions. [2018-09-26 22:03:59,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 22:03:59,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:03:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:01,211 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:01,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:01,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 32 states and 410 transitions. [2018-09-26 22:04:01,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 410 transitions. [2018-09-26 22:04:01,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:04:01,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:02,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 33 states and 439 transitions. [2018-09-26 22:04:02,412 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 439 transitions. [2018-09-26 22:04:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:04:02,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:04,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:04,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 34 states and 469 transitions. [2018-09-26 22:04:04,111 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 469 transitions. [2018-09-26 22:04:04,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 22:04:04,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:04,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:04,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 35 states and 500 transitions. [2018-09-26 22:04:04,740 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 500 transitions. [2018-09-26 22:04:04,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:04:04,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:04,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:05,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 36 states and 532 transitions. [2018-09-26 22:04:05,255 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 532 transitions. [2018-09-26 22:04:05,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:04:05,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 37 states and 565 transitions. [2018-09-26 22:04:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 565 transitions. [2018-09-26 22:04:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 22:04:05,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:05,878 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:06,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:06,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 38 states and 599 transitions. [2018-09-26 22:04:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 599 transitions. [2018-09-26 22:04:06,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:04:06,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:06,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:06,812 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:07,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:07,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 39 states and 634 transitions. [2018-09-26 22:04:07,199 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 634 transitions. [2018-09-26 22:04:07,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:04:07,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:07,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:08,041 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:08,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 40 states and 670 transitions. [2018-09-26 22:04:08,481 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 670 transitions. [2018-09-26 22:04:08,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 22:04:08,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 41 states and 707 transitions. [2018-09-26 22:04:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 707 transitions. [2018-09-26 22:04:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:04:09,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:09,729 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:10,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:10,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 42 states and 745 transitions. [2018-09-26 22:04:10,044 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 745 transitions. [2018-09-26 22:04:10,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:04:10,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:10,268 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:10,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:10,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 43 states and 784 transitions. [2018-09-26 22:04:10,648 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 784 transitions. [2018-09-26 22:04:10,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 22:04:10,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:11,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 44 states and 824 transitions. [2018-09-26 22:04:11,231 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 824 transitions. [2018-09-26 22:04:11,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:04:11,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:11,532 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:12,769 WARN L178 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-09-26 22:04:15,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:15,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 45 states and 865 transitions. [2018-09-26 22:04:15,623 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 865 transitions. [2018-09-26 22:04:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:04:15,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:15,929 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:16,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:16,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 46 states and 907 transitions. [2018-09-26 22:04:16,279 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 907 transitions. [2018-09-26 22:04:16,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 22:04:16,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:16,494 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:17,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:17,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 47 states and 950 transitions. [2018-09-26 22:04:17,083 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 950 transitions. [2018-09-26 22:04:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:04:17,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:17,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 48 states and 994 transitions. [2018-09-26 22:04:17,813 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 994 transitions. [2018-09-26 22:04:17,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:04:17,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:18,000 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 49 states and 1039 transitions. [2018-09-26 22:04:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1039 transitions. [2018-09-26 22:04:18,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 22:04:18,429 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:18,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:18,959 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:19,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:19,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 50 states and 1085 transitions. [2018-09-26 22:04:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1085 transitions. [2018-09-26 22:04:19,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:04:19,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:20,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:20,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 51 states and 1132 transitions. [2018-09-26 22:04:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1132 transitions. [2018-09-26 22:04:20,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:04:20,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:20,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:20,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:20,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 52 states and 1180 transitions. [2018-09-26 22:04:20,957 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1180 transitions. [2018-09-26 22:04:20,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 22:04:20,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:21,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 53 states and 1229 transitions. [2018-09-26 22:04:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1229 transitions. [2018-09-26 22:04:21,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:04:21,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:22,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:22,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:22,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 54 states and 1279 transitions. [2018-09-26 22:04:22,568 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1279 transitions. [2018-09-26 22:04:22,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 22:04:22,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:22,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:23,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:23,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 55 states and 1330 transitions. [2018-09-26 22:04:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1330 transitions. [2018-09-26 22:04:23,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 22:04:23,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:23,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:24,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 56 states and 1382 transitions. [2018-09-26 22:04:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1382 transitions. [2018-09-26 22:04:24,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:04:24,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:25,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:25,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:25,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 57 states and 1435 transitions. [2018-09-26 22:04:25,710 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1435 transitions. [2018-09-26 22:04:25,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:04:25,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:26,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:26,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:26,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 58 states and 1489 transitions. [2018-09-26 22:04:26,820 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1489 transitions. [2018-09-26 22:04:26,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 22:04:26,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:27,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 59 states and 1544 transitions. [2018-09-26 22:04:27,498 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1544 transitions. [2018-09-26 22:04:27,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:04:27,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:27,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:29,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:29,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 60 states and 1600 transitions. [2018-09-26 22:04:29,526 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1600 transitions. [2018-09-26 22:04:29,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 22:04:29,527 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:30,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 61 states and 1657 transitions. [2018-09-26 22:04:30,916 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1657 transitions. [2018-09-26 22:04:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 22:04:30,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:31,186 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:31,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:31,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 62 states and 1715 transitions. [2018-09-26 22:04:31,717 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1715 transitions. [2018-09-26 22:04:31,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 22:04:31,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:32,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:32,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 63 states and 1774 transitions. [2018-09-26 22:04:32,460 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1774 transitions. [2018-09-26 22:04:32,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:04:32,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:32,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:32,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:33,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:33,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 64 states and 1834 transitions. [2018-09-26 22:04:33,312 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1834 transitions. [2018-09-26 22:04:33,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-26 22:04:33,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:33,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:34,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 65 states and 1895 transitions. [2018-09-26 22:04:34,247 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1895 transitions. [2018-09-26 22:04:34,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:04:34,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:34,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:34,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:34,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 66 states and 1957 transitions. [2018-09-26 22:04:34,998 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 1957 transitions. [2018-09-26 22:04:34,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 22:04:34,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:35,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:35,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 67 states and 2020 transitions. [2018-09-26 22:04:35,987 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2020 transitions. [2018-09-26 22:04:35,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 22:04:35,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:36,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:36,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:36,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 68 states and 2084 transitions. [2018-09-26 22:04:36,835 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2084 transitions. [2018-09-26 22:04:36,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-26 22:04:36,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:37,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:37,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 69 states and 2149 transitions. [2018-09-26 22:04:37,664 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2149 transitions. [2018-09-26 22:04:37,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:04:37,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:38,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:38,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 70 states and 2215 transitions. [2018-09-26 22:04:38,622 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2215 transitions. [2018-09-26 22:04:38,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 22:04:38,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:38,886 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:39,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:39,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 71 states and 2282 transitions. [2018-09-26 22:04:39,796 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2282 transitions. [2018-09-26 22:04:39,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:04:39,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:40,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:40,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 72 states and 2350 transitions. [2018-09-26 22:04:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2350 transitions. [2018-09-26 22:04:40,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 22:04:40,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:40,970 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:41,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:41,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 73 states and 2419 transitions. [2018-09-26 22:04:41,604 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2419 transitions. [2018-09-26 22:04:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 22:04:41,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:41,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:42,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:42,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 74 states and 2489 transitions. [2018-09-26 22:04:42,478 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2489 transitions. [2018-09-26 22:04:42,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 22:04:42,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:42,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:42,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:43,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:43,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 75 states and 2560 transitions. [2018-09-26 22:04:43,452 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2560 transitions. [2018-09-26 22:04:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:04:43,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:43,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:44,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 76 states and 2632 transitions. [2018-09-26 22:04:44,587 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2632 transitions. [2018-09-26 22:04:44,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-26 22:04:44,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:44,855 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:45,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:45,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 77 states and 2705 transitions. [2018-09-26 22:04:45,587 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2705 transitions. [2018-09-26 22:04:45,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:04:45,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:46,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:46,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 78 states and 2779 transitions. [2018-09-26 22:04:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2779 transitions. [2018-09-26 22:04:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-26 22:04:46,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:46,889 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:47,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:47,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 79 states and 2854 transitions. [2018-09-26 22:04:47,629 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2854 transitions. [2018-09-26 22:04:47,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 22:04:47,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:48,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:48,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:48,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 80 states and 2930 transitions. [2018-09-26 22:04:48,717 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 2930 transitions. [2018-09-26 22:04:48,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-26 22:04:48,718 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:48,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:48,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:50,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:50,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 81 states and 3007 transitions. [2018-09-26 22:04:50,052 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3007 transitions. [2018-09-26 22:04:50,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 22:04:50,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:50,372 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:51,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:51,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 82 states and 3085 transitions. [2018-09-26 22:04:51,144 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3085 transitions. [2018-09-26 22:04:51,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-26 22:04:51,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:51,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:51,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:52,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:52,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 83 states and 3164 transitions. [2018-09-26 22:04:52,232 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3164 transitions. [2018-09-26 22:04:52,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:04:52,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:52,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:53,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:53,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 84 states and 3244 transitions. [2018-09-26 22:04:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3244 transitions. [2018-09-26 22:04:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-26 22:04:53,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:53,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:54,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 85 states and 3325 transitions. [2018-09-26 22:04:54,387 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3325 transitions. [2018-09-26 22:04:54,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 22:04:54,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:54,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:54,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:55,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:55,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 86 states and 3407 transitions. [2018-09-26 22:04:55,587 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3407 transitions. [2018-09-26 22:04:55,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-26 22:04:55,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:55,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:56,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:56,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 87 states and 3490 transitions. [2018-09-26 22:04:56,674 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3490 transitions. [2018-09-26 22:04:56,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:04:56,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:57,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:57,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 88 states and 3574 transitions. [2018-09-26 22:04:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3574 transitions. [2018-09-26 22:04:57,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-26 22:04:57,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:58,276 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:04:59,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:04:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 89 states and 3659 transitions. [2018-09-26 22:04:59,121 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3659 transitions. [2018-09-26 22:04:59,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:04:59,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:04:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:04:59,421 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 90 states and 3745 transitions. [2018-09-26 22:05:00,419 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3745 transitions. [2018-09-26 22:05:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-26 22:05:00,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 91 states and 3832 transitions. [2018-09-26 22:05:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3832 transitions. [2018-09-26 22:05:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 22:05:01,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:01,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:02,007 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:02,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:02,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 92 states and 3920 transitions. [2018-09-26 22:05:02,976 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 3920 transitions. [2018-09-26 22:05:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 22:05:02,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:03,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:04,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 93 states and 4009 transitions. [2018-09-26 22:05:04,177 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4009 transitions. [2018-09-26 22:05:04,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:05:04,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:04,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:04,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:05,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:05,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 94 states and 4099 transitions. [2018-09-26 22:05:05,562 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4099 transitions. [2018-09-26 22:05:05,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-26 22:05:05,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:06,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:06,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 95 states and 4190 transitions. [2018-09-26 22:05:06,806 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4190 transitions. [2018-09-26 22:05:06,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 22:05:06,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:07,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:08,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:08,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 96 states and 4282 transitions. [2018-09-26 22:05:08,091 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4282 transitions. [2018-09-26 22:05:08,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-26 22:05:08,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 97 states and 4375 transitions. [2018-09-26 22:05:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4375 transitions. [2018-09-26 22:05:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 22:05:09,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:10,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:10,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 98 states and 4469 transitions. [2018-09-26 22:05:10,743 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4469 transitions. [2018-09-26 22:05:10,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-26 22:05:10,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:10,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:11,034 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:12,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:12,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 99 states and 4564 transitions. [2018-09-26 22:05:12,067 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4564 transitions. [2018-09-26 22:05:12,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 22:05:12,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:13,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:13,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 100 states and 4660 transitions. [2018-09-26 22:05:13,362 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4660 transitions. [2018-09-26 22:05:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-26 22:05:13,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:13,655 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 101 states and 4757 transitions. [2018-09-26 22:05:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4757 transitions. [2018-09-26 22:05:14,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-26 22:05:14,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:15,230 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 102 states and 4855 transitions. [2018-09-26 22:05:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4855 transitions. [2018-09-26 22:05:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-26 22:05:16,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:16,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:17,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 103 states and 4954 transitions. [2018-09-26 22:05:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 4954 transitions. [2018-09-26 22:05:17,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-26 22:05:17,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:18,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:19,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:19,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 104 states and 5054 transitions. [2018-09-26 22:05:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5054 transitions. [2018-09-26 22:05:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-26 22:05:19,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:19,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:20,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 105 states and 5155 transitions. [2018-09-26 22:05:20,833 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5155 transitions. [2018-09-26 22:05:20,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-26 22:05:20,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:21,183 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:05:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:05:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 106 states and 5257 transitions. [2018-09-26 22:05:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5257 transitions. [2018-09-26 22:05:22,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-26 22:05:22,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:05:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:05:49,736 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:07:50,414 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:07:50,417 INFO L168 Benchmark]: Toolchain (without parser) took 244100.76 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 844.1 MB). Free memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: -717.6 MB). Peak memory consumption was 126.5 MB. Max. memory is 7.1 GB. [2018-09-26 22:07:50,418 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.92 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:07:50,418 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.55 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:07:50,419 INFO L168 Benchmark]: Boogie Preprocessor took 29.14 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:07:50,419 INFO L168 Benchmark]: RCFGBuilder took 557.05 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:07:50,420 INFO L168 Benchmark]: CodeCheck took 243460.02 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 844.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -738.7 MB). Peak memory consumption was 105.4 MB. Max. memory is 7.1 GB. [2018-09-26 22:07:50,423 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 838 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.92 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 46.55 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 29.14 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 557.05 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 243460.02 ms. Allocated memory was 1.5 GB in the beginning and 2.4 GB in the end (delta: 844.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -738.7 MB). Peak memory consumption was 105.4 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-0-2018-09-26_22-07-50-438.csv Completed graceful shutdown