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/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-bd42740 [2018-09-23 21:55:03,229 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-23 21:55:03,232 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-23 21:55:03,248 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-23 21:55:03,248 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-23 21:55:03,250 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-23 21:55:03,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-23 21:55:03,254 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-23 21:55:03,257 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-23 21:55:03,258 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-23 21:55:03,261 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-23 21:55:03,261 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-23 21:55:03,262 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-23 21:55:03,263 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-23 21:55:03,265 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-23 21:55:03,266 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-23 21:55:03,267 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-23 21:55:03,274 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-23 21:55:03,279 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-23 21:55:03,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-23 21:55:03,282 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-23 21:55:03,284 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-23 21:55:03,286 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-23 21:55:03,286 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-23 21:55:03,286 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-23 21:55:03,287 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-23 21:55:03,288 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-23 21:55:03,289 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-23 21:55:03,289 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-23 21:55:03,290 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-23 21:55:03,290 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-23 21:55:03,291 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-23 21:55:03,291 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-23 21:55:03,291 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-23 21:55:03,292 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-23 21:55:03,293 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-23 21:55:03,293 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 21:55:03,313 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-23 21:55:03,313 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-23 21:55:03,314 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-23 21:55:03,314 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-23 21:55:03,315 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-23 21:55:03,315 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-23 21:55:03,315 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-23 21:55:03,316 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-23 21:55:03,316 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-23 21:55:03,316 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-23 21:55:03,316 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-23 21:55:03,316 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-23 21:55:03,316 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-23 21:55:03,317 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-23 21:55:03,317 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-23 21:55:03,317 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-23 21:55:03,317 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-23 21:55:03,317 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-23 21:55:03,318 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-23 21:55:03,318 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-23 21:55:03,318 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-23 21:55:03,318 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-23 21:55:03,318 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-23 21:55:03,319 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-23 21:55:03,319 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-23 21:55:03,319 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-23 21:55:03,319 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-23 21:55:03,319 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-23 21:55:03,319 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-23 21:55:03,381 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-23 21:55:03,396 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-23 21:55:03,402 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-23 21:55:03,404 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-23 21:55:03,405 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-23 21:55:03,405 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl [2018-09-23 21:55:03,406 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl' [2018-09-23 21:55:03,454 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-23 21:55:03,458 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-23 21:55:03,458 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-23 21:55:03,458 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-23 21:55:03,459 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-23 21:55:03,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-23 21:55:03,498 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-23 21:55:03,498 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-23 21:55:03,498 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-23 21:55:03,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,514 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-23 21:55:03,519 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-23 21:55:03,519 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-23 21:55:03,519 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-23 21:55:03,520 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.09 09:55:03" (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 21:55:03,590 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-09-23 21:55:03,590 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-23 21:55:03,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-23 21:55:03,911 INFO L354 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-23 21:55:03,912 INFO L202 PluginConnector]: Adding new model gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:55:03 BoogieIcfgContainer [2018-09-23 21:55:03,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-23 21:55:03,912 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-23 21:55:03,912 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-23 21:55:03,924 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-23 21:55:03,925 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 09:55:03" (1/1) ... [2018-09-23 21:55:03,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-23 21:55:03,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-09-23 21:55:03,975 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-09-23 21:55:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-23 21:55:03,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:04,197 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 21:55:04,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 7 states and 10 transitions. [2018-09-23 21:55:04,444 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 10 transitions. [2018-09-23 21:55:04,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-23 21:55:04,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:04,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:05,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 9 states and 13 transitions. [2018-09-23 21:55:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 13 transitions. [2018-09-23 21:55:05,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-23 21:55:05,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:05,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:06,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:06,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2018-09-23 21:55:06,030 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2018-09-23 21:55:06,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-23 21:55:06,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:06,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:06,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:06,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2018-09-23 21:55:06,501 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2018-09-23 21:55:06,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-23 21:55:06,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:06,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:06,686 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:07,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:07,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2018-09-23 21:55:07,023 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2018-09-23 21:55:07,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-23 21:55:07,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:07,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:07,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:07,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2018-09-23 21:55:07,821 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2018-09-23 21:55:07,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-23 21:55:07,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:08,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:08,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-09-23 21:55:08,355 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-09-23 21:55:08,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-23 21:55:08,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:08,511 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:09,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:09,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2018-09-23 21:55:09,035 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2018-09-23 21:55:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-23 21:55:09,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:09,235 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:09,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:09,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2018-09-23 21:55:09,647 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2018-09-23 21:55:09,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-23 21:55:09,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:09,837 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:12,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:12,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2018-09-23 21:55:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2018-09-23 21:55:12,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-23 21:55:12,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:13,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2018-09-23 21:55:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2018-09-23 21:55:13,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-23 21:55:13,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:14,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2018-09-23 21:55:14,353 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2018-09-23 21:55:14,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-23 21:55:14,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:14,610 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:15,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:15,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 31 states and 46 transitions. [2018-09-23 21:55:15,026 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 46 transitions. [2018-09-23 21:55:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-23 21:55:15,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:15,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:15,200 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 49 transitions. [2018-09-23 21:55:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2018-09-23 21:55:15,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-23 21:55:15,696 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:15,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:16,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:16,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2018-09-23 21:55:16,558 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2018-09-23 21:55:16,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-23 21:55:16,560 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:17,104 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:18,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:18,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 55 transitions. [2018-09-23 21:55:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 55 transitions. [2018-09-23 21:55:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-23 21:55:18,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:18,557 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:19,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:19,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 58 transitions. [2018-09-23 21:55:19,125 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 58 transitions. [2018-09-23 21:55:19,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-23 21:55:19,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:20,103 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2018-09-23 21:55:20,634 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2018-09-23 21:55:20,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-23 21:55:20,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:20,869 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:21,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:21,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 43 states and 64 transitions. [2018-09-23 21:55:21,482 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 64 transitions. [2018-09-23 21:55:21,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-23 21:55:21,483 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:21,731 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:22,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:22,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2018-09-23 21:55:22,370 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2018-09-23 21:55:22,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-23 21:55:22,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:22,889 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:23,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 47 states and 70 transitions. [2018-09-23 21:55:23,598 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 70 transitions. [2018-09-23 21:55:23,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-23 21:55:23,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:24,948 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:25,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:25,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 49 states and 73 transitions. [2018-09-23 21:55:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 73 transitions. [2018-09-23 21:55:25,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-23 21:55:25,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:26,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2018-09-23 21:55:26,654 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2018-09-23 21:55:26,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-23 21:55:26,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:28,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:28,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 79 transitions. [2018-09-23 21:55:28,211 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 79 transitions. [2018-09-23 21:55:28,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-23 21:55:28,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:28,457 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:29,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:29,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 82 transitions. [2018-09-23 21:55:29,173 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 82 transitions. [2018-09-23 21:55:29,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-23 21:55:29,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 85 transitions. [2018-09-23 21:55:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2018-09-23 21:55:30,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-23 21:55:30,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:31,489 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:32,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:32,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2018-09-23 21:55:32,336 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2018-09-23 21:55:32,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-23 21:55:32,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:32,617 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:33,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:33,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 61 states and 91 transitions. [2018-09-23 21:55:33,825 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 91 transitions. [2018-09-23 21:55:33,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-23 21:55:33,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:34,298 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:35,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 63 states and 94 transitions. [2018-09-23 21:55:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 94 transitions. [2018-09-23 21:55:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-23 21:55:35,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:36,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:36,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 65 states and 97 transitions. [2018-09-23 21:55:36,553 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2018-09-23 21:55:36,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-23 21:55:36,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:36,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:36,920 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:38,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2018-09-23 21:55:38,113 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2018-09-23 21:55:38,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-23 21:55:38,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:38,537 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:39,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:39,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2018-09-23 21:55:39,531 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2018-09-23 21:55:39,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-23 21:55:39,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:39,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:41,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2018-09-23 21:55:41,317 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2018-09-23 21:55:41,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-23 21:55:41,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:41,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:42,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 73 states and 109 transitions. [2018-09-23 21:55:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 109 transitions. [2018-09-23 21:55:42,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-23 21:55:42,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:44,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:44,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 75 states and 112 transitions. [2018-09-23 21:55:44,582 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 112 transitions. [2018-09-23 21:55:44,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-23 21:55:44,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:46,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 77 states and 115 transitions. [2018-09-23 21:55:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 115 transitions. [2018-09-23 21:55:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-23 21:55:47,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:48,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:48,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 79 states and 118 transitions. [2018-09-23 21:55:48,846 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2018-09-23 21:55:48,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-23 21:55:48,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:49,261 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:50,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:50,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 81 states and 121 transitions. [2018-09-23 21:55:50,353 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 121 transitions. [2018-09-23 21:55:50,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-23 21:55:50,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:50,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:52,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 83 states and 124 transitions. [2018-09-23 21:55:52,642 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 124 transitions. [2018-09-23 21:55:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-23 21:55:52,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:54,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:54,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2018-09-23 21:55:54,579 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2018-09-23 21:55:54,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-23 21:55:54,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:54,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:56,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:56,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 87 states and 130 transitions. [2018-09-23 21:55:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2018-09-23 21:55:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-23 21:55:56,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:56,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:57,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:57,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 89 states and 133 transitions. [2018-09-23 21:55:57,783 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 133 transitions. [2018-09-23 21:55:57,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-23 21:55:57,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:55:57,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:55:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:55:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:55:59,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2018-09-23 21:55:59,988 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2018-09-23 21:55:59,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-23 21:55:59,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:00,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:02,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 93 states and 139 transitions. [2018-09-23 21:56:02,177 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 139 transitions. [2018-09-23 21:56:02,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-23 21:56:02,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:02,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:04,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:04,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 95 states and 142 transitions. [2018-09-23 21:56:04,259 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 142 transitions. [2018-09-23 21:56:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-23 21:56:04,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:10,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:10,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 97 states and 145 transitions. [2018-09-23 21:56:10,172 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 145 transitions. [2018-09-23 21:56:10,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-23 21:56:10,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:12,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 99 states and 148 transitions. [2018-09-23 21:56:12,173 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 148 transitions. [2018-09-23 21:56:12,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-23 21:56:12,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:12,674 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:14,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:14,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 101 states and 151 transitions. [2018-09-23 21:56:14,293 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 151 transitions. [2018-09-23 21:56:14,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-23 21:56:14,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:14,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:16,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 103 states and 154 transitions. [2018-09-23 21:56:16,224 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 154 transitions. [2018-09-23 21:56:16,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-23 21:56:16,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:17,457 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:18,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 105 states and 157 transitions. [2018-09-23 21:56:18,932 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 157 transitions. [2018-09-23 21:56:18,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-23 21:56:18,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:23,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:23,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 108 states and 160 transitions. [2018-09-23 21:56:23,289 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 160 transitions. [2018-09-23 21:56:23,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-23 21:56:23,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:56:45,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:56:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 112 states and 165 transitions. [2018-09-23 21:56:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 165 transitions. [2018-09-23 21:56:45,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-23 21:56:45,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:56:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:56:56,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:57:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:57:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 147 states and 201 transitions. [2018-09-23 21:57:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 201 transitions. [2018-09-23 21:57:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-23 21:57:18,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:57:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:57:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:57:23,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:57:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 149 states and 203 transitions. [2018-09-23 21:57:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 203 transitions. [2018-09-23 21:57:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-23 21:57:23,709 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:57:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:57:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:57:28,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:57:28,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 151 states and 205 transitions. [2018-09-23 21:57:28,758 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 205 transitions. [2018-09-23 21:57:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-23 21:57:28,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:57:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:57:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:57:34,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:57:34,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 153 states and 207 transitions. [2018-09-23 21:57:34,208 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 207 transitions. [2018-09-23 21:57:34,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-23 21:57:34,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:57:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:57:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:57:39,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:57:39,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 155 states and 209 transitions. [2018-09-23 21:57:39,768 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 209 transitions. [2018-09-23 21:57:39,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-23 21:57:39,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:57:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:57:41,853 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:57:45,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:57:45,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 157 states and 211 transitions. [2018-09-23 21:57:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 211 transitions. [2018-09-23 21:57:45,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-23 21:57:45,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:57:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:57:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:57:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:57:51,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 159 states and 213 transitions. [2018-09-23 21:57:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 213 transitions. [2018-09-23 21:57:51,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-23 21:57:51,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:57:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:57:53,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:57:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:57:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 161 states and 215 transitions. [2018-09-23 21:57:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 215 transitions. [2018-09-23 21:57:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-23 21:57:57,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:57:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:57:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:58:00,483 WARN L178 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 10 [2018-09-23 21:58:04,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:58:04,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 163 states and 217 transitions. [2018-09-23 21:58:04,436 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 217 transitions. [2018-09-23 21:58:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-23 21:58:04,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:58:04,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:58:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:58:11,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:58:11,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 165 states and 219 transitions. [2018-09-23 21:58:11,939 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2018-09-23 21:58:11,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-23 21:58:11,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:58:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:58:14,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:58:19,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:58:19,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 167 states and 221 transitions. [2018-09-23 21:58:19,098 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 221 transitions. [2018-09-23 21:58:19,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-23 21:58:19,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:58:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:58:21,164 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-23 21:58:26,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-23 21:58:26,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 169 states and 223 transitions. [2018-09-23 21:58:26,419 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 223 transitions. [2018-09-23 21:58:26,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-23 21:58:26,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-23 21:58:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-09-23 21:59:04,937 ERROR L611 CodeCheckObserver]: First Tracecheck threw exception Timeout or Toolchain cancelled by user [2018-09-23 21:59:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-23 21:59:05,053 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-23 21:59:05,086 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-23 21:59:05,087 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 21:59:05,090 INFO L168 Benchmark]: Toolchain (without parser) took 241635.12 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 2.2 GB in the end (delta: -723.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-23 21:59:05,091 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. [2018-09-23 21:59:05,092 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.22 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. [2018-09-23 21:59:05,092 INFO L168 Benchmark]: Boogie Preprocessor took 20.38 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. [2018-09-23 21:59:05,093 INFO L168 Benchmark]: RCFGBuilder took 393.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-23 21:59:05,093 INFO L168 Benchmark]: CodeCheck took 241176.44 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -744.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2018-09-23 21:59:05,101 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 TraceCheckSpWp was constructing forward predicates, while PredicateComparison was comparing new predicate (quantifier-free) to 1042 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 39.22 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 20.38 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 393.27 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 241176.44 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -744.5 MB). Peak memory consumption was 1.2 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/gr2006.c.i_4.bplTransformedIcfg_BEv2_3.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-23_21-59-05-120.csv Completed graceful shutdown