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 0.1.23-9f4048f [2018-10-04 13:03:15,392 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 13:03:15,394 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 13:03:15,406 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 13:03:15,406 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 13:03:15,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 13:03:15,409 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 13:03:15,411 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 13:03:15,412 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 13:03:15,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 13:03:15,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 13:03:15,415 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 13:03:15,416 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 13:03:15,417 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 13:03:15,418 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 13:03:15,419 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 13:03:15,420 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 13:03:15,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 13:03:15,424 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 13:03:15,426 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 13:03:15,427 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 13:03:15,428 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 13:03:15,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 13:03:15,431 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 13:03:15,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 13:03:15,433 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 13:03:15,434 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 13:03:15,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 13:03:15,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 13:03:15,437 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 13:03:15,437 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 13:03:15,438 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 13:03:15,438 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 13:03:15,439 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 13:03:15,440 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 13:03:15,440 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 13:03:15,441 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-04 13:03:15,457 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 13:03:15,457 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 13:03:15,458 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 13:03:15,458 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 13:03:15,459 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 13:03:15,459 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 13:03:15,459 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 13:03:15,460 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 13:03:15,460 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 13:03:15,460 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 13:03:15,460 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 13:03:15,460 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 13:03:15,461 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 13:03:15,461 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 13:03:15,461 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 13:03:15,461 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 13:03:15,461 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 13:03:15,462 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 13:03:15,462 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 13:03:15,462 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 13:03:15,462 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 13:03:15,462 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:03:15,463 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 13:03:15,463 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 13:03:15,463 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 13:03:15,463 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 13:03:15,463 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 13:03:15,463 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 13:03:15,464 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 13:03:15,518 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 13:03:15,536 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 13:03:15,543 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 13:03:15,545 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 13:03:15,545 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 13:03:15,546 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl [2018-10-04 13:03:15,547 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/real-life/GateController.bpl' [2018-10-04 13:03:15,604 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 13:03:15,606 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 13:03:15,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 13:03:15,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 13:03:15,609 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 13:03:15,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,646 WARN L165 Inliner]: Program contained no entry procedure! [2018-10-04 13:03:15,647 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-10-04 13:03:15,647 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-10-04 13:03:15,649 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 13:03:15,650 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 13:03:15,650 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 13:03:15,650 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 13:03:15,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,662 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... [2018-10-04 13:03:15,673 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 13:03:15,674 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 13:03:15,674 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 13:03:15,674 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 13:03:15,675 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "GateController.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 01:03:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 13:03:15,749 INFO L124 BoogieDeclarations]: Specification and implementation of procedure GateController given in one single declaration [2018-10-04 13:03:15,750 INFO L130 BoogieDeclarations]: Found specification of procedure GateController [2018-10-04 13:03:15,750 INFO L138 BoogieDeclarations]: Found implementation of procedure GateController [2018-10-04 13:03:16,092 INFO L338 CfgBuilder]: Using library mode [2018-10-04 13:03:16,093 INFO L202 PluginConnector]: Adding new model GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:03:16 BoogieIcfgContainer [2018-10-04 13:03:16,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 13:03:16,094 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 13:03:16,095 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 13:03:16,115 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 13:03:16,115 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "GateController.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 01:03:16" (1/1) ... [2018-10-04 13:03:16,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-04 13:03:16,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:16,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-10-04 13:03:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-10-04 13:03:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-04 13:03:16,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:16,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-04 13:03:16,414 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-04 13:03:16,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-10-04 13:03:16,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:16,511 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-10-04 13:03:16,836 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-10-04 13:03:16,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 13:03:16,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:17,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 9 states and 19 transitions. [2018-10-04 13:03:17,142 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 19 transitions. [2018-10-04 13:03:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 13:03:17,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:17,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:17,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:17,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 10 states and 25 transitions. [2018-10-04 13:03:17,533 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 25 transitions. [2018-10-04 13:03:17,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-04 13:03:17,533 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:17,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:17,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:18,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:18,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 11 states and 32 transitions. [2018-10-04 13:03:18,170 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 32 transitions. [2018-10-04 13:03:18,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 13:03:18,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:18,269 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:18,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:18,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 12 states and 40 transitions. [2018-10-04 13:03:18,437 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 40 transitions. [2018-10-04 13:03:18,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 13:03:18,438 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:18,562 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:18,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 13 states and 49 transitions. [2018-10-04 13:03:18,726 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 49 transitions. [2018-10-04 13:03:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 13:03:18,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:19,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 14 states and 59 transitions. [2018-10-04 13:03:19,207 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 59 transitions. [2018-10-04 13:03:19,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 13:03:19,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:19,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:19,341 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:19,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 15 states and 70 transitions. [2018-10-04 13:03:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 70 transitions. [2018-10-04 13:03:19,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 13:03:19,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:19,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:19,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 16 states and 82 transitions. [2018-10-04 13:03:19,853 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 82 transitions. [2018-10-04 13:03:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-04 13:03:19,854 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:19,974 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:20,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:20,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 17 states and 95 transitions. [2018-10-04 13:03:20,233 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 95 transitions. [2018-10-04 13:03:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 13:03:20,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:20,543 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:20,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:20,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 18 states and 109 transitions. [2018-10-04 13:03:20,771 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 109 transitions. [2018-10-04 13:03:20,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 13:03:20,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:20,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:21,500 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:21,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:21,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 19 states and 124 transitions. [2018-10-04 13:03:21,996 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 124 transitions. [2018-10-04 13:03:21,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 13:03:21,997 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:22,248 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 20 states and 140 transitions. [2018-10-04 13:03:22,710 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 140 transitions. [2018-10-04 13:03:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 13:03:22,711 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 21 states and 157 transitions. [2018-10-04 13:03:23,572 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 157 transitions. [2018-10-04 13:03:23,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 13:03:23,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:23,922 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:24,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:24,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 22 states and 175 transitions. [2018-10-04 13:03:24,270 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 175 transitions. [2018-10-04 13:03:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-04 13:03:24,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:24,476 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:24,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:24,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 23 states and 194 transitions. [2018-10-04 13:03:24,836 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 194 transitions. [2018-10-04 13:03:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 13:03:24,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:25,135 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:25,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:25,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 24 states and 214 transitions. [2018-10-04 13:03:25,451 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 214 transitions. [2018-10-04 13:03:25,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 13:03:25,452 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:25,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 25 states and 235 transitions. [2018-10-04 13:03:25,871 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 235 transitions. [2018-10-04 13:03:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 13:03:25,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:26,061 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:26,700 WARN L178 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-04 13:03:26,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 26 states and 257 transitions. [2018-10-04 13:03:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 257 transitions. [2018-10-04 13:03:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 13:03:26,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:27,577 WARN L178 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-04 13:03:27,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:27,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 27 states and 280 transitions. [2018-10-04 13:03:27,652 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 280 transitions. [2018-10-04 13:03:27,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 13:03:27,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:28,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:28,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 28 states and 304 transitions. [2018-10-04 13:03:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 304 transitions. [2018-10-04 13:03:28,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-04 13:03:28,979 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:28,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:29,108 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:29,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 29 states and 329 transitions. [2018-10-04 13:03:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 329 transitions. [2018-10-04 13:03:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 13:03:29,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:29,694 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:29,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:29,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 30 states and 355 transitions. [2018-10-04 13:03:29,966 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 355 transitions. [2018-10-04 13:03:29,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 13:03:29,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:30,180 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 31 states and 382 transitions. [2018-10-04 13:03:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 382 transitions. [2018-10-04 13:03:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 13:03:30,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:30,701 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:31,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:31,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 32 states and 410 transitions. [2018-10-04 13:03:31,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 410 transitions. [2018-10-04 13:03:31,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 13:03:31,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:31,392 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:32,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 33 states and 439 transitions. [2018-10-04 13:03:32,039 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 439 transitions. [2018-10-04 13:03:32,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 13:03:32,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:33,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:33,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 34 states and 469 transitions. [2018-10-04 13:03:33,847 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 469 transitions. [2018-10-04 13:03:33,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-04 13:03:33,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:34,006 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:34,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 35 states and 500 transitions. [2018-10-04 13:03:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 500 transitions. [2018-10-04 13:03:34,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 13:03:34,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:34,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:35,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:35,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 36 states and 532 transitions. [2018-10-04 13:03:35,032 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 532 transitions. [2018-10-04 13:03:35,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 13:03:35,033 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:35,231 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:35,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 37 states and 565 transitions. [2018-10-04 13:03:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 565 transitions. [2018-10-04 13:03:35,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 13:03:35,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:36,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 38 states and 599 transitions. [2018-10-04 13:03:36,355 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 599 transitions. [2018-10-04 13:03:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 13:03:36,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:36,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:36,579 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:36,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 39 states and 634 transitions. [2018-10-04 13:03:36,942 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 634 transitions. [2018-10-04 13:03:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 13:03:36,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:37,123 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:37,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:37,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 40 states and 670 transitions. [2018-10-04 13:03:37,444 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 670 transitions. [2018-10-04 13:03:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-10-04 13:03:37,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:37,732 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:38,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 707 states to 41 states and 707 transitions. [2018-10-04 13:03:38,391 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 707 transitions. [2018-10-04 13:03:38,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 13:03:38,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:38,640 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:38,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:38,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 42 states and 745 transitions. [2018-10-04 13:03:38,949 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 745 transitions. [2018-10-04 13:03:38,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 13:03:38,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:39,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 43 states and 784 transitions. [2018-10-04 13:03:39,580 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 784 transitions. [2018-10-04 13:03:39,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 13:03:39,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:39,905 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:40,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 44 states and 824 transitions. [2018-10-04 13:03:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 824 transitions. [2018-10-04 13:03:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 13:03:40,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:40,457 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:41,717 WARN L178 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 13 DAG size of output: 12 [2018-10-04 13:03:43,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:43,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 45 states and 865 transitions. [2018-10-04 13:03:43,975 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 865 transitions. [2018-10-04 13:03:43,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 13:03:43,976 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:44,237 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:44,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:44,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 46 states and 907 transitions. [2018-10-04 13:03:44,631 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 907 transitions. [2018-10-04 13:03:44,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-04 13:03:44,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:44,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:44,989 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:45,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:45,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 47 states and 950 transitions. [2018-10-04 13:03:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 950 transitions. [2018-10-04 13:03:45,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 13:03:45,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:46,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:46,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 48 states and 994 transitions. [2018-10-04 13:03:46,327 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 994 transitions. [2018-10-04 13:03:46,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 13:03:46,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:46,510 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:46,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:46,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 49 states and 1039 transitions. [2018-10-04 13:03:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 1039 transitions. [2018-10-04 13:03:46,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 13:03:46,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:46,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:47,357 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:47,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:47,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 50 states and 1085 transitions. [2018-10-04 13:03:47,733 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 1085 transitions. [2018-10-04 13:03:47,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 13:03:47,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:48,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:48,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1132 states to 51 states and 1132 transitions. [2018-10-04 13:03:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 1132 transitions. [2018-10-04 13:03:48,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 13:03:48,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:48,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:49,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:49,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 52 states and 1180 transitions. [2018-10-04 13:03:49,340 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 1180 transitions. [2018-10-04 13:03:49,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-04 13:03:49,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:49,588 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:50,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 53 states and 1229 transitions. [2018-10-04 13:03:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 1229 transitions. [2018-10-04 13:03:50,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 13:03:50,262 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:50,574 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:51,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:51,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 54 states and 1279 transitions. [2018-10-04 13:03:51,042 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 1279 transitions. [2018-10-04 13:03:51,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 13:03:51,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:51,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:51,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 55 states and 1330 transitions. [2018-10-04 13:03:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 1330 transitions. [2018-10-04 13:03:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 13:03:51,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:52,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:52,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:52,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 56 states and 1382 transitions. [2018-10-04 13:03:52,555 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 1382 transitions. [2018-10-04 13:03:52,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 13:03:52,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:53,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 57 states and 1435 transitions. [2018-10-04 13:03:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 1435 transitions. [2018-10-04 13:03:53,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 13:03:54,000 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:54,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:54,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:54,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 58 states and 1489 transitions. [2018-10-04 13:03:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 1489 transitions. [2018-10-04 13:03:54,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-04 13:03:54,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:55,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:55,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1544 states to 59 states and 1544 transitions. [2018-10-04 13:03:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 1544 transitions. [2018-10-04 13:03:55,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 13:03:55,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1600 states to 60 states and 1600 transitions. [2018-10-04 13:03:57,496 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 1600 transitions. [2018-10-04 13:03:57,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 13:03:57,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:58,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:58,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 61 states and 1657 transitions. [2018-10-04 13:03:58,621 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 1657 transitions. [2018-10-04 13:03:58,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 13:03:58,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:58,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:03:59,411 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:03:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:03:59,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 62 states and 1715 transitions. [2018-10-04 13:03:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 1715 transitions. [2018-10-04 13:03:59,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 13:03:59,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:03:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:00,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 63 states and 1774 transitions. [2018-10-04 13:04:00,906 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 1774 transitions. [2018-10-04 13:04:00,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 13:04:00,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:00,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:01,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:01,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 64 states and 1834 transitions. [2018-10-04 13:04:01,723 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 1834 transitions. [2018-10-04 13:04:01,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-04 13:04:01,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:02,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:02,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:02,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 65 states and 1895 transitions. [2018-10-04 13:04:02,591 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 1895 transitions. [2018-10-04 13:04:02,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 13:04:02,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:02,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:03,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 66 states and 1957 transitions. [2018-10-04 13:04:03,386 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 1957 transitions. [2018-10-04 13:04:03,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 13:04:03,387 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:03,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:04,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:04,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2020 states to 67 states and 2020 transitions. [2018-10-04 13:04:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 2020 transitions. [2018-10-04 13:04:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 13:04:04,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:04,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:05,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 68 states and 2084 transitions. [2018-10-04 13:04:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 2084 transitions. [2018-10-04 13:04:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 13:04:05,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:05,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:06,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2149 states to 69 states and 2149 transitions. [2018-10-04 13:04:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 2149 transitions. [2018-10-04 13:04:06,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 13:04:06,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:07,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:07,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 70 states and 2215 transitions. [2018-10-04 13:04:07,090 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 2215 transitions. [2018-10-04 13:04:07,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-04 13:04:07,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:08,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2282 states to 71 states and 2282 transitions. [2018-10-04 13:04:08,045 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 2282 transitions. [2018-10-04 13:04:08,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 13:04:08,045 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:08,312 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:08,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2350 states to 72 states and 2350 transitions. [2018-10-04 13:04:08,934 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 2350 transitions. [2018-10-04 13:04:08,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 13:04:08,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:09,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:09,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 73 states and 2419 transitions. [2018-10-04 13:04:09,793 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 2419 transitions. [2018-10-04 13:04:09,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 13:04:09,793 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:10,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2489 states to 74 states and 2489 transitions. [2018-10-04 13:04:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 2489 transitions. [2018-10-04 13:04:10,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 13:04:10,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:10,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:11,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:11,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 75 states and 2560 transitions. [2018-10-04 13:04:11,895 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 2560 transitions. [2018-10-04 13:04:11,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 13:04:11,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:13,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:13,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 76 states and 2632 transitions. [2018-10-04 13:04:13,111 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 2632 transitions. [2018-10-04 13:04:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-10-04 13:04:13,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:13,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:14,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 77 states and 2705 transitions. [2018-10-04 13:04:14,042 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 2705 transitions. [2018-10-04 13:04:14,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 13:04:14,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:14,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:15,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 78 states and 2779 transitions. [2018-10-04 13:04:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 2779 transitions. [2018-10-04 13:04:15,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 13:04:15,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:15,336 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:16,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:16,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 79 states and 2854 transitions. [2018-10-04 13:04:16,160 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 2854 transitions. [2018-10-04 13:04:16,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 13:04:16,161 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:16,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:17,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2930 states to 80 states and 2930 transitions. [2018-10-04 13:04:17,223 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 2930 transitions. [2018-10-04 13:04:17,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 13:04:17,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:17,496 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:18,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3007 states to 81 states and 3007 transitions. [2018-10-04 13:04:18,253 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 3007 transitions. [2018-10-04 13:04:18,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 13:04:18,254 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:19,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 82 states and 3085 transitions. [2018-10-04 13:04:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 3085 transitions. [2018-10-04 13:04:19,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-10-04 13:04:19,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:19,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:20,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:20,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 83 states and 3164 transitions. [2018-10-04 13:04:20,383 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 3164 transitions. [2018-10-04 13:04:20,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 13:04:20,384 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:20,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 84 states and 3244 transitions. [2018-10-04 13:04:21,654 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 3244 transitions. [2018-10-04 13:04:21,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 13:04:21,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3325 states to 85 states and 3325 transitions. [2018-10-04 13:04:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 3325 transitions. [2018-10-04 13:04:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 13:04:22,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:22,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:23,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:23,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3407 states to 86 states and 3407 transitions. [2018-10-04 13:04:23,787 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 3407 transitions. [2018-10-04 13:04:23,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 13:04:23,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:24,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3490 states to 87 states and 3490 transitions. [2018-10-04 13:04:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 3490 transitions. [2018-10-04 13:04:24,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 13:04:24,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:26,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:26,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3574 states to 88 states and 3574 transitions. [2018-10-04 13:04:26,252 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 3574 transitions. [2018-10-04 13:04:26,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-04 13:04:26,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:27,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3659 states to 89 states and 3659 transitions. [2018-10-04 13:04:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 3659 transitions. [2018-10-04 13:04:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 13:04:27,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:28,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3745 states to 90 states and 3745 transitions. [2018-10-04 13:04:28,671 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 3745 transitions. [2018-10-04 13:04:28,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 13:04:28,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:28,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:29,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:29,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3832 states to 91 states and 3832 transitions. [2018-10-04 13:04:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 3832 transitions. [2018-10-04 13:04:29,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 13:04:29,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:30,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:31,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:31,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 92 states and 3920 transitions. [2018-10-04 13:04:31,166 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 3920 transitions. [2018-10-04 13:04:31,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 13:04:31,167 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:31,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4009 states to 93 states and 4009 transitions. [2018-10-04 13:04:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 4009 transitions. [2018-10-04 13:04:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 13:04:32,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:32,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:33,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4099 states to 94 states and 4099 transitions. [2018-10-04 13:04:33,617 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 4099 transitions. [2018-10-04 13:04:33,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-04 13:04:33,617 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:33,886 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:34,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4190 states to 95 states and 4190 transitions. [2018-10-04 13:04:34,849 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 4190 transitions. [2018-10-04 13:04:34,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 13:04:34,850 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:35,126 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4282 states to 96 states and 4282 transitions. [2018-10-04 13:04:36,182 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 4282 transitions. [2018-10-04 13:04:36,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-04 13:04:36,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:37,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:37,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4375 states to 97 states and 4375 transitions. [2018-10-04 13:04:37,511 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 4375 transitions. [2018-10-04 13:04:37,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 13:04:37,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:37,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:38,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:38,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4469 states to 98 states and 4469 transitions. [2018-10-04 13:04:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 4469 transitions. [2018-10-04 13:04:38,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-04 13:04:38,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:38,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:40,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:40,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4564 states to 99 states and 4564 transitions. [2018-10-04 13:04:40,075 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 4564 transitions. [2018-10-04 13:04:40,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 13:04:40,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:40,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:40,416 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:41,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:41,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4660 states to 100 states and 4660 transitions. [2018-10-04 13:04:41,704 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 4660 transitions. [2018-10-04 13:04:41,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-04 13:04:41,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:42,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:43,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 101 states and 4757 transitions. [2018-10-04 13:04:43,057 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 4757 transitions. [2018-10-04 13:04:43,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 13:04:43,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:43,335 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:44,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:44,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 102 states and 4855 transitions. [2018-10-04 13:04:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 4855 transitions. [2018-10-04 13:04:44,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-04 13:04:44,404 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:44,767 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:45,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:45,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4954 states to 103 states and 4954 transitions. [2018-10-04 13:04:45,815 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 4954 transitions. [2018-10-04 13:04:45,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 13:04:45,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:46,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:47,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:47,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5054 states to 104 states and 5054 transitions. [2018-10-04 13:04:47,194 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 5054 transitions. [2018-10-04 13:04:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-04 13:04:47,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:47,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:48,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5155 states to 105 states and 5155 transitions. [2018-10-04 13:04:48,659 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 5155 transitions. [2018-10-04 13:04:48,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 13:04:48,660 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:04:48,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 13:04:50,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 13:04:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 106 states and 5257 transitions. [2018-10-04 13:04:50,085 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 5257 transitions. [2018-10-04 13:04:50,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-10-04 13:04:50,086 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 13:04:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 13:05:16,811 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... [2018-10-04 13:07:19,790 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-10-04 13:07:19,792 INFO L168 Benchmark]: Toolchain (without parser) took 244186.90 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 674.2 MB). Free memory was 1.5 GB in the beginning and 825.4 MB in the end (delta: 635.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-04 13:07:19,793 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:07:19,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:07:19,795 INFO L168 Benchmark]: Boogie Preprocessor took 23.17 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-04 13:07:19,795 INFO L168 Benchmark]: RCFGBuilder took 419.95 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-04 13:07:19,796 INFO L168 Benchmark]: CodeCheck took 243696.81 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 674.2 MB). Free memory was 1.4 GB in the beginning and 825.4 MB in the end (delta: 613.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2018-10-04 13:07:19,800 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 847 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.17 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 419.95 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 243696.81 ms. Allocated memory was 1.5 GB in the beginning and 2.2 GB in the end (delta: 674.2 MB). Free memory was 1.4 GB in the beginning and 825.4 MB in the end (delta: 613.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/GateController.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-04_13-07-19-812.csv Completed graceful shutdown