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-bd42740 [2018-09-23 21:51:16,055 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 21:51:16,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 21:51:16,069 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 21:51:16,069 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 21:51:16,070 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 21:51:16,072 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 21:51:16,073 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 21:51:16,075 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 21:51:16,076 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 21:51:16,077 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 21:51:16,077 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 21:51:16,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 21:51:16,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 21:51:16,080 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 21:51:16,081 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 21:51:16,082 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 21:51:16,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 21:51:16,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 21:51:16,088 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 21:51:16,089 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 21:51:16,090 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 21:51:16,092 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 21:51:16,093 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 21:51:16,093 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 21:51:16,094 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 21:51:16,095 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 21:51:16,096 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 21:51:16,096 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 21:51:16,098 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 21:51:16,098 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 21:51:16,099 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 21:51:16,099 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 21:51:16,099 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 21:51:16,100 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 21:51:16,101 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 21:51:16,101 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 [2018-09-23 21:51:16,124 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 21:51:16,124 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 21:51:16,125 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 21:51:16,125 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 21:51:16,128 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 21:51:16,128 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 21:51:16,128 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 21:51:16,129 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 21:51:16,129 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 21:51:16,130 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 21:51:16,130 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 21:51:16,130 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 21:51:16,130 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 21:51:16,130 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 21:51:16,131 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 21:51:16,131 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 21:51:16,131 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 21:51:16,131 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 21:51:16,132 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 21:51:16,132 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 21:51:16,133 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 21:51:16,133 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:51:16,133 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 21:51:16,133 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 21:51:16,133 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 21:51:16,133 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 21:51:16,134 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 21:51:16,134 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 21:51:16,134 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 21:51:16,198 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 21:51:16,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 21:51:16,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 21:51:16,222 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 21:51:16,223 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 21:51:16,224 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-09-23 21:51:16,224 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-09-23 21:51:16,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 21:51:16,287 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 21:51:16,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 21:51:16,288 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 21:51:16,289 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 21:51:16,311 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,325 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 21:51:16,334 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 21:51:16,334 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 21:51:16,334 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 21:51:16,346 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,346 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,347 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,347 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,352 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,355 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,356 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 21:51:16,358 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 21:51:16,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 21:51:16,358 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 21:51:16,360 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 23.09 09:51:16" (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 [2018-09-23 21:51:16,442 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-23 21:51:16,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 21:51:16,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 21:51:16,735 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 21:51:16,735 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:51:16 BoogieIcfgContainer [2018-09-23 21:51:16,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 21:51:16,736 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 21:51:16,737 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 21:51:16,748 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 21:51:16,748 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 23.09 09:51:16" (1/1) ... [2018-09-23 21:51:16,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 21:51:16,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:16,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-09-23 21:51:16,805 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-09-23 21:51:16,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-23 21:51:16,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:16,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:17,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:17,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-09-23 21:51:17,199 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-09-23 21:51:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 21:51:17,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:17,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:18,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-23 21:51:18,475 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-23 21:51:18,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 21:51:18,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:18,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:19,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:19,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-09-23 21:51:19,313 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-09-23 21:51:19,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-23 21:51:19,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:20,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:20,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-23 21:51:20,089 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-23 21:51:20,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-23 21:51:20,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:20,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:20,227 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:20,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:20,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-09-23 21:51:20,805 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-09-23 21:51:20,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:51:20,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:20,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:21,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:21,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-09-23 21:51:21,663 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-09-23 21:51:21,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:51:21,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:21,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:21,835 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:22,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:22,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-09-23 21:51:22,872 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-09-23 21:51:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-23 21:51:22,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:25,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:25,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-09-23 21:51:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-09-23 21:51:25,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-23 21:51:25,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:25,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:26,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:26,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-09-23 21:51:26,562 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-09-23 21:51:26,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:51:26,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:26,688 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:27,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:27,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-09-23 21:51:27,994 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-09-23 21:51:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 21:51:27,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:28,194 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:29,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-09-23 21:51:29,043 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-09-23 21:51:29,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-23 21:51:29,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:30,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:30,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-09-23 21:51:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-09-23 21:51:30,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-23 21:51:30,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:31,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:31,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-09-23 21:51:31,187 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-09-23 21:51:31,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 21:51:31,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:31,372 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:32,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:32,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-09-23 21:51:32,630 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-09-23 21:51:32,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 21:51:32,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:32,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:32,852 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:34,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-09-23 21:51:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-09-23 21:51:34,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-23 21:51:34,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:34,280 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:35,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-09-23 21:51:35,490 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-09-23 21:51:35,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-23 21:51:35,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:35,838 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-09-23 21:51:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-09-23 21:51:37,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 21:51:37,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:37,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:37,623 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:38,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:38,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-09-23 21:51:38,852 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-09-23 21:51:38,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 21:51:38,853 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:39,348 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:40,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-09-23 21:51:40,720 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-09-23 21:51:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-23 21:51:40,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:41,178 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:42,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:42,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-09-23 21:51:42,853 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-09-23 21:51:42,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-23 21:51:42,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:44,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:44,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-09-23 21:51:44,904 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-09-23 21:51:44,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 21:51:44,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:46,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:46,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 162 transitions. [2018-09-23 21:51:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 162 transitions. [2018-09-23 21:51:46,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 21:51:46,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:47,858 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:49,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:49,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2018-09-23 21:51:49,632 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2018-09-23 21:51:49,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-23 21:51:49,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 78 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:51,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:51,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 65 states and 182 transitions. [2018-09-23 21:51:51,501 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 182 transitions. [2018-09-23 21:51:51,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-23 21:51:51,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:51,884 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 156 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:53,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 68 states and 200 transitions. [2018-09-23 21:51:53,771 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2018-09-23 21:51:53,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 21:51:53,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:54,948 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:51:56,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:51:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 70 states and 203 transitions. [2018-09-23 21:51:56,595 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 203 transitions. [2018-09-23 21:51:56,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 21:51:56,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:51:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:51:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 182 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:00,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:00,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 73 states and 222 transitions. [2018-09-23 21:52:00,015 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2018-09-23 21:52:00,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-23 21:52:00,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:00,369 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:02,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2018-09-23 21:52:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2018-09-23 21:52:02,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-23 21:52:02,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:02,675 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 210 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:04,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:04,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2018-09-23 21:52:04,923 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2018-09-23 21:52:04,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 21:52:04,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:04,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:05,181 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 120 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 80 states and 248 transitions. [2018-09-23 21:52:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 248 transitions. [2018-09-23 21:52:07,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 21:52:07,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:07,584 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:10,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:10,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 83 states and 269 transitions. [2018-09-23 21:52:10,026 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 269 transitions. [2018-09-23 21:52:10,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-23 21:52:10,026 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 136 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:12,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:12,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 85 states and 272 transitions. [2018-09-23 21:52:12,340 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 272 transitions. [2018-09-23 21:52:12,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-23 21:52:12,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 272 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:15,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:15,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 88 states and 294 transitions. [2018-09-23 21:52:15,634 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 294 transitions. [2018-09-23 21:52:15,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 21:52:15,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:16,659 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 153 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:19,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:19,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 90 states and 297 transitions. [2018-09-23 21:52:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 297 transitions. [2018-09-23 21:52:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 21:52:19,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:20,357 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 306 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:22,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:22,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 320 transitions. [2018-09-23 21:52:22,824 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2018-09-23 21:52:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-23 21:52:22,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:23,178 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 171 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:25,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 323 transitions. [2018-09-23 21:52:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 323 transitions. [2018-09-23 21:52:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-23 21:52:25,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:26,467 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 342 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:29,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 98 states and 347 transitions. [2018-09-23 21:52:29,244 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 347 transitions. [2018-09-23 21:52:29,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 21:52:29,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:29,521 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 190 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:32,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:32,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 100 states and 350 transitions. [2018-09-23 21:52:32,076 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 350 transitions. [2018-09-23 21:52:32,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-23 21:52:32,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:32,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:32,598 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 380 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:35,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:35,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 375 transitions. [2018-09-23 21:52:35,611 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 375 transitions. [2018-09-23 21:52:35,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-23 21:52:35,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:35,963 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 210 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:38,793 WARN L178 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 8 DAG size of output: 7 [2018-09-23 21:52:48,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:48,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 105 states and 378 transitions. [2018-09-23 21:52:48,326 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 378 transitions. [2018-09-23 21:52:48,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-23 21:52:48,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:49,047 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 420 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:52,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:52,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 108 states and 404 transitions. [2018-09-23 21:52:52,064 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 404 transitions. [2018-09-23 21:52:52,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-23 21:52:52,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 231 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:55,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:55,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 110 states and 407 transitions. [2018-09-23 21:52:55,441 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 407 transitions. [2018-09-23 21:52:55,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-23 21:52:55,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:56,076 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 462 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:52:59,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:52:59,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 434 transitions. [2018-09-23 21:52:59,029 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 434 transitions. [2018-09-23 21:52:59,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-23 21:52:59,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:52:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:52:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 253 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:02,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:02,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 115 states and 437 transitions. [2018-09-23 21:53:02,497 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 437 transitions. [2018-09-23 21:53:02,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-23 21:53:02,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:03,310 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 506 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:06,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:06,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 118 states and 465 transitions. [2018-09-23 21:53:06,783 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 465 transitions. [2018-09-23 21:53:06,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-23 21:53:06,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:07,168 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:10,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 120 states and 468 transitions. [2018-09-23 21:53:10,309 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 468 transitions. [2018-09-23 21:53:10,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-23 21:53:10,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:10,938 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 552 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:14,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 123 states and 497 transitions. [2018-09-23 21:53:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 497 transitions. [2018-09-23 21:53:14,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-23 21:53:14,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:15,008 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 300 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:18,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:18,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 125 states and 500 transitions. [2018-09-23 21:53:18,065 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 500 transitions. [2018-09-23 21:53:18,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-23 21:53:18,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:19,976 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 600 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 128 states and 530 transitions. [2018-09-23 21:53:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 530 transitions. [2018-09-23 21:53:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-23 21:53:23,507 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:24,229 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 325 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:27,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:27,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 130 states and 533 transitions. [2018-09-23 21:53:27,705 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 533 transitions. [2018-09-23 21:53:27,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-23 21:53:27,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:27,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:29,332 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 650 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:33,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:33,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 133 states and 564 transitions. [2018-09-23 21:53:33,236 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 564 transitions. [2018-09-23 21:53:33,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-23 21:53:33,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:33,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:33,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 351 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:37,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 135 states and 567 transitions. [2018-09-23 21:53:37,390 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 567 transitions. [2018-09-23 21:53:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-23 21:53:37,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:37,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 702 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:42,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:42,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 138 states and 599 transitions. [2018-09-23 21:53:42,248 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 599 transitions. [2018-09-23 21:53:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-23 21:53:42,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:42,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 378 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 140 states and 602 transitions. [2018-09-23 21:53:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 602 transitions. [2018-09-23 21:53:46,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-23 21:53:46,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 756 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 143 states and 635 transitions. [2018-09-23 21:53:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 635 transitions. [2018-09-23 21:53:51,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-23 21:53:51,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 406 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:53:55,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:53:55,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 145 states and 638 transitions. [2018-09-23 21:53:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 638 transitions. [2018-09-23 21:53:55,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-23 21:53:55,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:53:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:53:56,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 812 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:01,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:01,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 148 states and 672 transitions. [2018-09-23 21:54:01,093 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 672 transitions. [2018-09-23 21:54:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-23 21:54:01,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:01,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1247 backedges. 435 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:05,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 150 states and 675 transitions. [2018-09-23 21:54:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 675 transitions. [2018-09-23 21:54:05,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-23 21:54:05,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:06,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1305 backedges. 870 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:10,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:10,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 153 states and 710 transitions. [2018-09-23 21:54:10,540 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 710 transitions. [2018-09-23 21:54:10,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-23 21:54:10,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1335 backedges. 465 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:15,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 155 states and 713 transitions. [2018-09-23 21:54:15,149 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 713 transitions. [2018-09-23 21:54:15,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-23 21:54:15,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:15,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:16,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 930 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:20,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 158 states and 749 transitions. [2018-09-23 21:54:20,521 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 749 transitions. [2018-09-23 21:54:20,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-23 21:54:20,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:20,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1426 backedges. 496 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:25,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:25,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 160 states and 752 transitions. [2018-09-23 21:54:25,385 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 752 transitions. [2018-09-23 21:54:25,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-23 21:54:25,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:26,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1488 backedges. 992 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:30,197 WARN L178 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 9 [2018-09-23 21:54:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 163 states and 789 transitions. [2018-09-23 21:54:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 789 transitions. [2018-09-23 21:54:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-23 21:54:31,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 528 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 165 states and 792 transitions. [2018-09-23 21:54:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 792 transitions. [2018-09-23 21:54:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-23 21:54:35,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:37,066 INFO L134 CoverageAnalysis]: Checked inductivity of 1584 backedges. 1056 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 830 states to 168 states and 830 transitions. [2018-09-23 21:54:41,964 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 830 transitions. [2018-09-23 21:54:41,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-23 21:54:41,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 1617 backedges. 561 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:46,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:46,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 170 states and 833 transitions. [2018-09-23 21:54:46,739 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 833 transitions. [2018-09-23 21:54:46,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-23 21:54:46,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:47,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 1122 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:52,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 173 states and 872 transitions. [2018-09-23 21:54:52,746 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 872 transitions. [2018-09-23 21:54:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-23 21:54:52,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1717 backedges. 595 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:54:57,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:54:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 875 states to 175 states and 875 transitions. [2018-09-23 21:54:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 875 transitions. [2018-09-23 21:54:57,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-23 21:54:57,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:54:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:54:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 1190 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:04,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 178 states and 915 transitions. [2018-09-23 21:55:04,102 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 915 transitions. [2018-09-23 21:55:04,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-23 21:55:04,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:04,699 INFO L134 CoverageAnalysis]: Checked inductivity of 1820 backedges. 630 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:09,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:09,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 180 states and 918 transitions. [2018-09-23 21:55:09,563 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 918 transitions. [2018-09-23 21:55:09,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-23 21:55:09,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:10,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 1260 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-09-23 21:55:15,103 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-23 21:55:15,105 INFO L168 Benchmark]: Toolchain (without parser) took 238820.56 ms. Allocated memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.1 GB. Max. memory is 7.1 GB. [2018-09-23 21:55:15,106 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 21:55:15,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.03 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 21:55:15,107 INFO L168 Benchmark]: Boogie Preprocessor took 23.74 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-23 21:55:15,108 INFO L168 Benchmark]: RCFGBuilder took 377.95 ms. Allocated memory is still 1.6 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. [2018-09-23 21:55:15,108 INFO L168 Benchmark]: CodeCheck took 238368.20 ms. Allocated memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-09-23 21:55:15,112 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 1058 known predicates. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.22 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 45.03 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.74 ms. Allocated memory is still 1.6 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 377.95 ms. Allocated memory is still 1.6 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 238368.20 ms. Allocated memory was 1.6 GB in the beginning and 3.1 GB in the end (delta: 1.5 GB). Free memory was 1.5 GB in the beginning and 2.8 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.0 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/down.i_4.bplTransformedIcfg_BEv2_5.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_21-55-15-124.csv Completed graceful shutdown