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_PUPT.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:20:15,255 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:20:15,257 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:20:15,275 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:20:15,275 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:20:15,277 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:20:15,279 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:20:15,281 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:20:15,283 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:20:15,285 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:20:15,286 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:20:15,286 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:20:15,288 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:20:15,289 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:20:15,292 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:20:15,293 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:20:15,294 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:20:15,304 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:20:15,306 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:20:15,312 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:20:15,313 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:20:15,314 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:20:15,318 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:20:15,318 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:20:15,319 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:20:15,320 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:20:15,321 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:20:15,322 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:20:15,323 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:20:15,324 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:20:15,324 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:20:15,327 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:20:15,328 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:20:15,329 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:20:15,331 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:20:15,332 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:20:15,332 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:20:15,361 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:20:15,361 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:20:15,363 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:20:15,363 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:20:15,363 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:20:15,364 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:20:15,364 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:20:15,364 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:20:15,364 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:20:15,367 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:20:15,367 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:20:15,367 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:20:15,367 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:20:15,368 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:20:15,368 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:20:15,368 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:20:15,368 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:20:15,368 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:20:15,369 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:20:15,369 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:20:15,369 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:20:15,369 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:20:15,370 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:20:15,371 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:20:15,371 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:20:15,371 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:20:15,371 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:20:15,371 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:20:15,372 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:20:15,372 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:20:15,434 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:20:15,447 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:20:15,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:20:15,452 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:20:15,453 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:20:15,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl [2018-10-03 10:20:15,454 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl' [2018-10-03 10:20:15,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:20:15,517 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:20:15,518 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:20:15,518 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:20:15,518 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:20:15,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,559 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:20:15,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:20:15,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:20:15,561 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:20:15,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:20:15,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:20:15,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:20:15,585 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:20:15,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:20:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:20:15,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 10:20:15,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 10:20:15,917 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 10:20:15,917 INFO L202 PluginConnector]: Adding new model up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:20:15 BoogieIcfgContainer [2018-10-03 10:20:15,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:20:15,918 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:20:15,919 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:20:15,930 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:20:15,931 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:20:15" (1/1) ... [2018-10-03 10:20:15,944 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:20:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:15,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-03 10:20:15,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-03 10:20:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:20:15,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:16,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:16,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-03 10:20:16,577 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-03 10:20:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-03 10:20:16,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:16,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:18,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-03 10:20:18,439 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-03 10:20:18,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-03 10:20:18,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-03 10:20:19,289 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-03 10:20:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:20:19,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:19,443 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:20,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:20,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-03 10:20:20,805 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-03 10:20:20,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-03 10:20:20,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:20,955 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:22,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:22,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-03 10:20:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-03 10:20:22,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-03 10:20:22,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:22,824 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:23,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:23,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-03 10:20:23,697 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-03 10:20:23,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:20:23,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:25,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:25,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-03 10:20:25,522 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-03 10:20:25,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:20:25,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:26,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:26,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-03 10:20:26,905 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-03 10:20:26,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-03 10:20:26,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:27,085 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:28,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:28,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-03 10:20:28,251 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-03 10:20:28,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-03 10:20:28,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:28,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:29,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-03 10:20:29,673 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-03 10:20:29,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-03 10:20:29,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:29,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:29,881 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:31,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:31,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-03 10:20:31,084 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-03 10:20:31,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:20:31,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:31,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:31,233 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:32,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:32,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-03 10:20:32,826 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-03 10:20:32,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:20:32,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:32,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:33,109 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:35,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-03 10:20:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-03 10:20:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:20:35,730 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:39,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:39,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-03 10:20:39,340 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-03 10:20:39,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-03 10:20:39,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-03 10:20:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-03 10:20:42,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-03 10:20:42,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:42,352 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:44,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-03 10:20:44,149 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-03 10:20:44,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-03 10:20:44,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:46,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:46,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-03 10:20:46,945 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-03 10:20:46,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-03 10:20:46,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:46,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:47,785 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:49,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:49,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-03 10:20:49,820 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-03 10:20:49,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-03 10:20:49,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:50,173 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-03 10:20:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-03 10:20:52,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-03 10:20:52,365 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:52,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:52,845 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-03 10:20:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-03 10:20:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 10:20:55,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:55,657 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:20:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:20:58,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-03 10:20:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-03 10:20:58,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 10:20:58,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:20:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:20:58,286 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:00,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-03 10:21:00,993 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-03 10:21:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-03 10:21:00,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:01,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:04,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-03 10:21:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-03 10:21:04,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-03 10:21:04,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:04,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:05,362 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:09,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:09,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-03 10:21:09,510 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-03 10:21:09,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-03 10:21:09,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:09,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:13,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:13,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-03 10:21:13,142 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-03 10:21:13,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-03 10:21:13,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:13,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:13,357 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:16,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-03 10:21:16,589 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-03 10:21:16,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-03 10:21:16,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:17,215 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:20,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:20,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-03 10:21:20,758 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-03 10:21:20,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-03 10:21:20,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:25,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:25,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-03 10:21:25,263 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-03 10:21:25,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-03 10:21:25,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:29,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:29,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-03 10:21:29,489 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-03 10:21:29,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-03 10:21:29,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:29,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:29,761 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:33,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:33,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-03 10:21:33,785 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-03 10:21:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-03 10:21:33,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:34,292 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:38,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-03 10:21:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-03 10:21:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-03 10:21:38,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:43,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:43,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-03 10:21:43,352 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-03 10:21:43,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 10:21:43,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:48,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-03 10:21:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-03 10:21:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 10:21:48,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:48,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:49,232 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:54,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:54,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-03 10:21:54,250 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-03 10:21:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-03 10:21:54,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:21:54,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:21:54,883 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:21:59,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:21:59,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-03 10:21:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-03 10:21:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-03 10:21:59,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:00,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-03 10:22:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-03 10:22:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-03 10:22:05,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:12,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-03 10:22:12,042 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-03 10:22:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-03 10:22:12,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:18,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-03 10:22:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-03 10:22:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 10:22:18,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:19,417 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:28,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-03 10:22:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-03 10:22:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 10:22:28,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:28,952 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:36,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-03 10:22:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-03 10:22:36,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-03 10:22:36,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:36,947 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:44,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:44,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-03 10:22:44,055 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-03 10:22:44,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-03 10:22:44,057 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:22:52,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:22:52,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-03 10:22:52,616 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-03 10:22:52,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-03 10:22:52,617 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:22:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:22:53,474 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:00,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-03 10:23:00,752 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-03 10:23:00,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-03 10:23:00,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:01,259 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:09,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:09,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-03 10:23:09,273 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-03 10:23:09,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-03 10:23:09,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:09,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:18,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:18,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-03 10:23:18,323 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-03 10:23:18,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-03 10:23:18,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:18,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:19,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-03 10:23:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-03 10:23:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-03 10:23:28,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:37,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:37,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-03 10:23:37,329 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-03 10:23:37,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-03 10:23:37,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:37,806 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:47,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:47,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-03 10:23:47,067 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-03 10:23:47,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-03 10:23:47,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:23:58,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:23:58,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-03 10:23:58,189 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-03 10:23:58,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-03 10:23:58,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:23:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:23:59,347 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:09,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:09,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-03 10:24:09,522 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-03 10:24:09,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-03 10:24:09,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:10,963 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:24:20,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:24:20,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-03 10:24:20,950 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-03 10:24:20,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-03 10:24:20,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:24:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:24:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... [2018-10-03 10:24:32,958 INFO L760 CodeCheckObserver]: 0 DeclaredPredicates, 36815 GetRequests, 33389 SyntacticMatches, 2600 SemanticMatches, 826 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 245.7s Time 127.5s impTime 236 [2018-10-03 10:24:32,960 INFO L202 PluginConnector]: Adding new model up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.10 10:24:32 ImpRootNode [2018-10-03 10:24:32,960 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-03 10:24:32,961 INFO L168 Benchmark]: Toolchain (without parser) took 257447.09 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -371.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 335.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:24:32,963 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:24:32,964 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:24:32,964 INFO L168 Benchmark]: Boogie Preprocessor took 23.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:24:32,965 INFO L168 Benchmark]: RCFGBuilder took 333.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-10-03 10:24:32,966 INFO L168 Benchmark]: CodeCheck took 257042.01 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -371.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 314.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2018-10-03 10:24:32,969 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResultAtElement [Line: 66]: Timeout (CodeCheck) Unable to prove that assertion always holds (line 66) - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. UNKNOWN Result, 256.9s OverallTime, 52 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 0 SDtfs, 1431655756 SDslu, -8 SDs, 0 SdLazy, -150 SolverSat, 1431655750 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 137.1s Time, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 26.9s InterpolantComputationTime, 2964 NumberOfCodeBlocks, 2964 NumberOfCodeBlocksAsserted, 52 NumberOfCheckSat, 2912 ConstructedInterpolants, 0 QuantifiedInterpolants, 729263 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 52 InterpolantComputations, 2 PerfectInterpolantSequences, 12402/24102 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - GenericResult: Unable to decide if program is safe! Unable to decide if program is safe! * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.20 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 42.00 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.48 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 333.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 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 257042.01 ms. Allocated memory was 1.5 GB in the beginning and 1.1 GB in the end (delta: -371.2 MB). Free memory was 1.4 GB in the beginning and 1.1 GB in the end (delta: 314.8 MB). There was no memory consumed. 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/up.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-CodeCheckBenchmarks-0-2018-10-03_10-24-32-981.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/up.i_4.bpl_svcomp-Reach-32bit-Kojak_Default_PUPT.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-10-03_10-24-32-981.csv Completed graceful shutdown