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/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 22:08:09,410 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 22:08:09,414 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 22:08:09,428 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 22:08:09,429 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 22:08:09,431 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 22:08:09,433 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 22:08:09,434 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 22:08:09,436 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 22:08:09,437 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 22:08:09,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 22:08:09,438 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 22:08:09,439 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 22:08:09,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 22:08:09,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 22:08:09,442 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 22:08:09,443 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 22:08:09,445 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 22:08:09,447 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 22:08:09,448 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 22:08:09,450 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 22:08:09,451 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 22:08:09,453 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 22:08:09,454 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 22:08:09,454 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 22:08:09,455 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 22:08:09,456 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 22:08:09,457 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 22:08:09,458 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 22:08:09,459 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 22:08:09,459 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 22:08:09,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 22:08:09,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 22:08:09,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 22:08:09,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 22:08:09,462 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 22:08:09,465 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-26 22:08:09,497 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 22:08:09,497 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 22:08:09,498 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 22:08:09,498 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 22:08:09,499 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 22:08:09,499 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 22:08:09,499 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 22:08:09,499 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 22:08:09,499 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 22:08:09,500 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 22:08:09,500 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 22:08:09,500 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 22:08:09,500 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 22:08:09,500 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 22:08:09,500 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 22:08:09,501 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 22:08:09,501 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 22:08:09,501 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 22:08:09,501 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 22:08:09,501 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 22:08:09,502 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 22:08:09,502 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:08:09,502 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 22:08:09,502 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 22:08:09,502 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 22:08:09,503 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 22:08:09,503 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 22:08:09,503 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 22:08:09,503 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 22:08:09,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 22:08:09,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 22:08:09,569 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 22:08:09,570 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 22:08:09,571 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 22:08:09,572 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-09-26 22:08:09,572 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-09-26 22:08:09,636 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 22:08:09,639 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 22:08:09,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 22:08:09,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 22:08:09,640 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 22:08:09,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 22:08:09,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 22:08:09,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 22:08:09,684 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 22:08:09,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,698 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... [2018-09-26 22:08:09,708 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 22:08:09,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 22:08:09,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 22:08:09,710 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 22:08:09,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 10:08:09" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 22:08:09,794 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-26 22:08:09,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-26 22:08:09,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-26 22:08:10,078 INFO L346 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-26 22:08:10,078 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:08:10 BoogieIcfgContainer [2018-09-26 22:08:10,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 22:08:10,079 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 22:08:10,079 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 22:08:10,090 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 22:08:10,090 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 10:08:10" (1/1) ... [2018-09-26 22:08:10,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-26 22:08:10,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:10,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-26 22:08:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-26 22:08:10,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 22:08:10,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:10,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:10,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-09-26 22:08:10,537 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-09-26 22:08:10,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 22:08:10,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:10,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:11,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-26 22:08:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-26 22:08:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 22:08:11,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:11,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:12,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-09-26 22:08:12,636 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-09-26 22:08:12,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 22:08:12,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:12,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:12,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:13,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-26 22:08:13,560 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-26 22:08:13,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 22:08:13,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:13,682 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:14,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-09-26 22:08:14,529 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-09-26 22:08:14,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 22:08:14,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:15,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:15,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-09-26 22:08:15,370 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-09-26 22:08:15,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 22:08:15,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:15,525 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-09-26 22:08:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-09-26 22:08:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 22:08:16,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:16,502 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:17,202 WARN L178 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-26 22:08:18,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:18,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-09-26 22:08:18,862 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-09-26 22:08:18,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 22:08:18,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:18,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:20,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:20,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-09-26 22:08:20,853 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-09-26 22:08:20,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 22:08:20,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:20,961 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:21,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:21,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-09-26 22:08:21,999 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-09-26 22:08:22,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 22:08:22,000 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:22,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:23,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-09-26 22:08:23,078 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-09-26 22:08:23,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 22:08:23,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-09-26 22:08:24,123 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-09-26 22:08:24,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 22:08:24,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:24,341 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:25,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-09-26 22:08:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-09-26 22:08:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 22:08:25,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:26,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:26,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-09-26 22:08:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-09-26 22:08:26,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 22:08:26,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:28,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:28,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-09-26 22:08:28,483 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-09-26 22:08:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 22:08:28,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:28,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:30,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-09-26 22:08:30,422 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-09-26 22:08:30,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 22:08:30,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:31,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-09-26 22:08:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-09-26 22:08:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 22:08:31,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:32,207 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:33,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:33,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-09-26 22:08:33,435 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-09-26 22:08:33,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 22:08:33,437 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:33,774 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:35,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:35,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-09-26 22:08:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-09-26 22:08:35,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 22:08:35,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:36,001 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:37,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-09-26 22:08:37,376 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-09-26 22:08:37,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 22:08:37,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:37,771 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:39,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:39,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-09-26 22:08:39,352 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-09-26 22:08:39,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 22:08:39,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:39,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:40,075 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:41,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:41,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 162 transitions. [2018-09-26 22:08:41,745 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 162 transitions. [2018-09-26 22:08:41,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 22:08:41,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:42,126 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:43,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:43,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2018-09-26 22:08:43,797 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2018-09-26 22:08:43,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 22:08:43,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 78 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:46,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 65 states and 182 transitions. [2018-09-26 22:08:46,147 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 182 transitions. [2018-09-26 22:08:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 22:08:46,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:46,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:47,194 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 156 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:49,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:49,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 68 states and 200 transitions. [2018-09-26 22:08:49,173 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2018-09-26 22:08:49,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 22:08:49,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:51,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:51,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 70 states and 203 transitions. [2018-09-26 22:08:51,919 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 203 transitions. [2018-09-26 22:08:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 22:08:51,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 182 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:54,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:54,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 73 states and 222 transitions. [2018-09-26 22:08:54,416 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2018-09-26 22:08:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 22:08:54,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:54,749 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:56,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2018-09-26 22:08:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2018-09-26 22:08:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 22:08:56,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:57,271 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 210 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:08:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:08:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2018-09-26 22:08:59,270 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2018-09-26 22:08:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 22:08:59,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:08:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:08:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 120 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:01,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:01,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 80 states and 248 transitions. [2018-09-26 22:09:01,832 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 248 transitions. [2018-09-26 22:09:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 22:09:01,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:04,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:04,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 83 states and 269 transitions. [2018-09-26 22:09:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 269 transitions. [2018-09-26 22:09:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 22:09:04,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:04,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:04,847 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 136 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 85 states and 272 transitions. [2018-09-26 22:09:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 272 transitions. [2018-09-26 22:09:07,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 22:09:07,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:07,705 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 272 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:10,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:10,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 88 states and 294 transitions. [2018-09-26 22:09:10,065 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 294 transitions. [2018-09-26 22:09:10,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 22:09:10,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:10,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:10,727 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 153 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 90 states and 297 transitions. [2018-09-26 22:09:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 297 transitions. [2018-09-26 22:09:12,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 22:09:12,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 306 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:16,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:16,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 320 transitions. [2018-09-26 22:09:16,331 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2018-09-26 22:09:16,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 22:09:16,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 171 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:19,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:19,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 323 transitions. [2018-09-26 22:09:19,332 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 323 transitions. [2018-09-26 22:09:19,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 22:09:19,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 342 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:23,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:23,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 98 states and 347 transitions. [2018-09-26 22:09:23,302 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 347 transitions. [2018-09-26 22:09:23,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 22:09:23,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:23,786 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 190 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:26,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:26,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 100 states and 350 transitions. [2018-09-26 22:09:26,550 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 350 transitions. [2018-09-26 22:09:26,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 22:09:26,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 380 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:29,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 375 transitions. [2018-09-26 22:09:29,830 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 375 transitions. [2018-09-26 22:09:29,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 22:09:29,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:29,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:30,164 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 210 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:33,066 WARN L178 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-26 22:09:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 105 states and 378 transitions. [2018-09-26 22:09:36,389 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 378 transitions. [2018-09-26 22:09:36,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-26 22:09:36,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:37,092 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 420 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 108 states and 404 transitions. [2018-09-26 22:09:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 404 transitions. [2018-09-26 22:09:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 22:09:39,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:40,325 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 231 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:43,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:43,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 110 states and 407 transitions. [2018-09-26 22:09:43,239 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 407 transitions. [2018-09-26 22:09:43,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 22:09:43,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:43,977 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 462 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:47,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:47,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 434 transitions. [2018-09-26 22:09:47,206 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 434 transitions. [2018-09-26 22:09:47,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 22:09:47,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:47,590 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 253 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:50,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:50,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 115 states and 437 transitions. [2018-09-26 22:09:50,391 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 437 transitions. [2018-09-26 22:09:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 22:09:50,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:50,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:51,441 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 506 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:54,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 118 states and 465 transitions. [2018-09-26 22:09:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 465 transitions. [2018-09-26 22:09:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 22:09:54,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:55,231 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:09:58,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:09:58,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 120 states and 468 transitions. [2018-09-26 22:09:58,398 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 468 transitions. [2018-09-26 22:09:58,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 22:09:58,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:09:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:09:59,042 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 552 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:02,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:02,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 123 states and 497 transitions. [2018-09-26 22:10:02,673 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 497 transitions. [2018-09-26 22:10:02,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-26 22:10:02,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 300 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:06,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 125 states and 500 transitions. [2018-09-26 22:10:06,215 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 500 transitions. [2018-09-26 22:10:06,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-26 22:10:06,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:07,743 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 600 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:11,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:11,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 128 states and 530 transitions. [2018-09-26 22:10:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 530 transitions. [2018-09-26 22:10:11,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 22:10:11,276 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:11,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 325 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:15,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:15,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 130 states and 533 transitions. [2018-09-26 22:10:15,489 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 533 transitions. [2018-09-26 22:10:15,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 22:10:15,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:17,336 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 650 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:20,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:20,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 133 states and 564 transitions. [2018-09-26 22:10:20,962 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 564 transitions. [2018-09-26 22:10:20,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-26 22:10:20,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:21,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 351 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:25,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:25,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 135 states and 567 transitions. [2018-09-26 22:10:25,111 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 567 transitions. [2018-09-26 22:10:25,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-26 22:10:25,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:25,825 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 702 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:29,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:29,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 138 states and 599 transitions. [2018-09-26 22:10:29,909 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 599 transitions. [2018-09-26 22:10:29,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 22:10:29,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 378 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:33,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:33,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 140 states and 602 transitions. [2018-09-26 22:10:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 602 transitions. [2018-09-26 22:10:33,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 22:10:33,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 756 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:39,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:39,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 143 states and 635 transitions. [2018-09-26 22:10:39,041 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 635 transitions. [2018-09-26 22:10:39,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-26 22:10:39,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 406 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:43,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 145 states and 638 transitions. [2018-09-26 22:10:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 638 transitions. [2018-09-26 22:10:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 22:10:43,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:44,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 812 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:48,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 148 states and 672 transitions. [2018-09-26 22:10:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 672 transitions. [2018-09-26 22:10:48,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 22:10:48,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:48,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 435 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:52,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 150 states and 675 transitions. [2018-09-26 22:10:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 675 transitions. [2018-09-26 22:10:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 22:10:52,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 870 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:10:57,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:10:57,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 153 states and 710 transitions. [2018-09-26 22:10:57,792 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 710 transitions. [2018-09-26 22:10:57,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-26 22:10:57,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:10:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:10:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 465 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:02,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:02,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 155 states and 713 transitions. [2018-09-26 22:11:02,322 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 713 transitions. [2018-09-26 22:11:02,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-26 22:11:02,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:03,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 930 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:07,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:07,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 158 states and 749 transitions. [2018-09-26 22:11:07,989 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 749 transitions. [2018-09-26 22:11:07,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 22:11:07,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 496 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:12,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 160 states and 752 transitions. [2018-09-26 22:11:12,787 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 752 transitions. [2018-09-26 22:11:12,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-26 22:11:12,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:14,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 992 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:18,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 163 states and 789 transitions. [2018-09-26 22:11:18,770 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 789 transitions. [2018-09-26 22:11:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-26 22:11:18,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 528 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:23,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:23,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 165 states and 792 transitions. [2018-09-26 22:11:23,394 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 792 transitions. [2018-09-26 22:11:23,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-26 22:11:23,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:24,455 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 1056 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:29,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 168 states and 830 transitions. [2018-09-26 22:11:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 830 transitions. [2018-09-26 22:11:29,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-26 22:11:29,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 561 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 170 states and 833 transitions. [2018-09-26 22:11:34,360 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 833 transitions. [2018-09-26 22:11:34,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-26 22:11:34,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:34,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 1122 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:40,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:40,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 173 states and 872 transitions. [2018-09-26 22:11:40,397 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 872 transitions. [2018-09-26 22:11:40,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-26 22:11:40,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:40,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 595 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:45,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:45,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 175 states and 875 transitions. [2018-09-26 22:11:45,413 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 875 transitions. [2018-09-26 22:11:45,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-26 22:11:45,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:46,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 1190 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:51,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 178 states and 915 transitions. [2018-09-26 22:11:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 915 transitions. [2018-09-26 22:11:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-26 22:11:51,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 630 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:11:56,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:11:56,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 180 states and 918 transitions. [2018-09-26 22:11:56,891 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 918 transitions. [2018-09-26 22:11:56,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-26 22:11:56,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:11:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:11:57,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 1260 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:03,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:03,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 183 states and 959 transitions. [2018-09-26 22:12:03,262 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 959 transitions. [2018-09-26 22:12:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-26 22:12:03,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:03,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:03,755 INFO L134 CoverageAnalysis]: Checked inductivity of 1926 backedges. 666 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 22:12:08,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 22:12:08,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 185 states and 962 transitions. [2018-09-26 22:12:08,695 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 962 transitions. [2018-09-26 22:12:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-26 22:12:08,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 22:12:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 22:12:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1998 backedges. 1332 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-26 22:12:13,231 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-26 22:12:13,234 INFO L168 Benchmark]: Toolchain (without parser) took 243598.14 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 488.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:12:13,235 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:12:13,236 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.45 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:12:13,236 INFO L168 Benchmark]: Boogie Preprocessor took 25.47 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-26 22:12:13,237 INFO L168 Benchmark]: RCFGBuilder took 369.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-26 22:12:13,237 INFO L168 Benchmark]: CodeCheck took 243154.52 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 467.0 MB. Max. memory is 7.1 GB. [2018-09-26 22:12:13,241 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 1085 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.19 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.45 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 25.47 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 369.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 243154.52 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 2.9 GB in the end (delta: -1.4 GB). Peak memory consumption was 467.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/down.i_4.bplTransformedIcfg_BEv2_5.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-26_22-12-13-253.csv Completed graceful shutdown