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 0.1.23-9f4048f-m [2018-10-04 15:02:24,289 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 15:02:24,291 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 15:02:24,303 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 15:02:24,303 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 15:02:24,304 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 15:02:24,305 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 15:02:24,307 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 15:02:24,309 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 15:02:24,309 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 15:02:24,310 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 15:02:24,311 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 15:02:24,312 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 15:02:24,312 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 15:02:24,314 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 15:02:24,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 15:02:24,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 15:02:24,321 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 15:02:24,324 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 15:02:24,326 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 15:02:24,327 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 15:02:24,330 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 15:02:24,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 15:02:24,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 15:02:24,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 15:02:24,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 15:02:24,335 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 15:02:24,335 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 15:02:24,336 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 15:02:24,339 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 15:02:24,339 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 15:02:24,341 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 15:02:24,341 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 15:02:24,341 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 15:02:24,342 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 15:02:24,342 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 15:02:24,345 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 [2018-10-04 15:02:24,369 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 15:02:24,370 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 15:02:24,370 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 15:02:24,370 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 15:02:24,372 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 15:02:24,372 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 15:02:24,372 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 15:02:24,372 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 15:02:24,372 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 15:02:24,373 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 15:02:24,374 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 15:02:24,374 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 15:02:24,374 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 15:02:24,374 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 15:02:24,374 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 15:02:24,375 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 15:02:24,375 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 15:02:24,375 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 15:02:24,375 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 15:02:24,375 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 15:02:24,376 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 15:02:24,376 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 15:02:24,376 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 15:02:24,376 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 15:02:24,376 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 15:02:24,377 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 15:02:24,377 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 15:02:24,377 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 15:02:24,377 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 15:02:24,377 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 15:02:24,433 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 15:02:24,445 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 15:02:24,451 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 15:02:24,452 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 15:02:24,453 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 15:02:24,453 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl [2018-10-04 15:02:24,454 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/up.i_4.bpl' [2018-10-04 15:02:24,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 15:02:24,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 15:02:24,504 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 15:02:24,504 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 15:02:24,504 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 15:02:24,525 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 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,540 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 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 15:02:24,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 15:02:24,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 15:02:24,548 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 15:02:24,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,561 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,566 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,569 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 15:02:24,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 15:02:24,572 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 15:02:24,572 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 15:02:24,573 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 03:02:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 15:02:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 15:02:24,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 15:02:24,956 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 15:02:24,956 INFO L202 PluginConnector]: Adding new model up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 03:02:24 BoogieIcfgContainer [2018-10-04 15:02:24,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 15:02:24,957 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 15:02:24,958 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 15:02:24,972 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 15:02:24,972 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "up.i_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 03:02:24" (1/1) ... [2018-10-04 15:02:24,986 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 15:02:25,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:25,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2018-10-04 15:02:25,034 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2018-10-04 15:02:25,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 15:02:25,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:25,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:25,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:25,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2018-10-04 15:02:25,715 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2018-10-04 15:02:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 15:02:25,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:27,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:27,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2018-10-04 15:02:27,328 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2018-10-04 15:02:27,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-04 15:02:27,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:27,688 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:28,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 16 states and 27 transitions. [2018-10-04 15:02:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 27 transitions. [2018-10-04 15:02:28,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 15:02:28,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:28,678 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2018-10-04 15:02:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2018-10-04 15:02:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 15:02:30,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:31,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:31,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2018-10-04 15:02:31,720 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2018-10-04 15:02:31,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-04 15:02:31,721 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:32,156 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:33,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:33,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2018-10-04 15:02:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2018-10-04 15:02:33,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 15:02:33,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:33,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:33,192 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:34,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:34,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 28 states and 44 transitions. [2018-10-04 15:02:34,620 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2018-10-04 15:02:34,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 15:02:34,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:34,758 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:35,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2018-10-04 15:02:35,846 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2018-10-04 15:02:35,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-04 15:02:35,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:35,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:37,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 56 transitions. [2018-10-04 15:02:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 56 transitions. [2018-10-04 15:02:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 15:02:37,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:37,313 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 30 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:38,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 36 states and 58 transitions. [2018-10-04 15:02:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 58 transitions. [2018-10-04 15:02:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 15:02:38,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:38,977 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 30 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:40,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:40,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2018-10-04 15:02:40,150 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2018-10-04 15:02:40,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-04 15:02:40,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:40,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:40,309 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 42 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:41,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:41,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-10-04 15:02:41,715 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-10-04 15:02:41,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 15:02:41,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:42,007 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:44,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 46 states and 83 transitions. [2018-10-04 15:02:44,396 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 83 transitions. [2018-10-04 15:02:44,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 15:02:44,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 56 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:47,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:47,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 48 states and 85 transitions. [2018-10-04 15:02:47,809 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 85 transitions. [2018-10-04 15:02:47,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-10-04 15:02:47,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:48,179 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 56 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:50,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 52 states and 98 transitions. [2018-10-04 15:02:50,404 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 98 transitions. [2018-10-04 15:02:50,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 15:02:50,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:50,711 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 72 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:52,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 54 states and 100 transitions. [2018-10-04 15:02:52,454 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-10-04 15:02:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 15:02:52,455 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:53,084 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 72 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:55,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:55,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 58 states and 114 transitions. [2018-10-04 15:02:55,056 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 114 transitions. [2018-10-04 15:02:55,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-10-04 15:02:55,058 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:55,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 90 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:02:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:02:57,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 116 transitions. [2018-10-04 15:02:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 116 transitions. [2018-10-04 15:02:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 15:02:57,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:02:57,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:02:57,928 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 90 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:00,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 64 states and 131 transitions. [2018-10-04 15:03:00,099 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 131 transitions. [2018-10-04 15:03:00,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 15:03:00,101 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:01,603 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 110 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:04,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 133 transitions. [2018-10-04 15:03:04,053 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 133 transitions. [2018-10-04 15:03:04,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-04 15:03:04,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 110 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:06,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 70 states and 149 transitions. [2018-10-04 15:03:06,866 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 149 transitions. [2018-10-04 15:03:06,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 15:03:06,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:07,076 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 132 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:09,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:09,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 72 states and 151 transitions. [2018-10-04 15:03:09,884 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 151 transitions. [2018-10-04 15:03:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 15:03:09,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:10,411 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 132 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:13,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:13,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 76 states and 168 transitions. [2018-10-04 15:03:13,181 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 168 transitions. [2018-10-04 15:03:13,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-04 15:03:13,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 156 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:17,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:17,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 78 states and 170 transitions. [2018-10-04 15:03:17,864 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 170 transitions. [2018-10-04 15:03:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 15:03:17,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 156 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:21,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:21,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 82 states and 188 transitions. [2018-10-04 15:03:21,464 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 188 transitions. [2018-10-04 15:03:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 15:03:21,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:21,752 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 182 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:25,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 84 states and 190 transitions. [2018-10-04 15:03:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 190 transitions. [2018-10-04 15:03:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-04 15:03:25,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:25,652 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 182 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:29,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:29,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 88 states and 209 transitions. [2018-10-04 15:03:29,170 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 209 transitions. [2018-10-04 15:03:29,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 15:03:29,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 210 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:33,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:33,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 90 states and 211 transitions. [2018-10-04 15:03:33,456 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 211 transitions. [2018-10-04 15:03:33,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 15:03:33,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 210 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:37,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:37,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 94 states and 231 transitions. [2018-10-04 15:03:37,621 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 231 transitions. [2018-10-04 15:03:37,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-10-04 15:03:37,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 240 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:41,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:41,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 96 states and 233 transitions. [2018-10-04 15:03:41,989 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 233 transitions. [2018-10-04 15:03:41,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 15:03:41,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:43,079 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 240 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 100 states and 254 transitions. [2018-10-04 15:03:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 254 transitions. [2018-10-04 15:03:47,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 15:03:47,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:47,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:47,373 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 272 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:51,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:51,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 102 states and 256 transitions. [2018-10-04 15:03:51,732 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 256 transitions. [2018-10-04 15:03:51,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-04 15:03:51,733 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:52,669 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 272 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:03:57,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:03:57,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 106 states and 278 transitions. [2018-10-04 15:03:57,257 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 278 transitions. [2018-10-04 15:03:57,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 15:03:57,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:03:57,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:03:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 306 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:04:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:04:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 108 states and 280 transitions. [2018-10-04 15:04:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 280 transitions. [2018-10-04 15:04:02,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 15:04:02,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:04:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:04:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 306 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:04:08,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:04:08,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 112 states and 303 transitions. [2018-10-04 15:04:08,203 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 303 transitions. [2018-10-04 15:04:08,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-04 15:04:08,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:04:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:04:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 648 backedges. 342 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:04:14,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:04:14,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 114 states and 305 transitions. [2018-10-04 15:04:14,020 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 305 transitions. [2018-10-04 15:04:14,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 15:04:14,020 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:04:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:04:14,606 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 342 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:04:20,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:04:20,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 118 states and 329 transitions. [2018-10-04 15:04:20,176 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 329 transitions. [2018-10-04 15:04:20,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 15:04:20,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:04:20,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:04:20,592 INFO L134 CoverageAnalysis]: Checked inductivity of 722 backedges. 380 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:04:26,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:04:26,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 120 states and 331 transitions. [2018-10-04 15:04:26,738 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 331 transitions. [2018-10-04 15:04:26,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-04 15:04:26,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:04:26,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:04:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 380 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:04:37,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:04:37,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 124 states and 356 transitions. [2018-10-04 15:04:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 356 transitions. [2018-10-04 15:04:37,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 15:04:37,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:04:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:04:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 420 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:04:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:04:45,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 126 states and 358 transitions. [2018-10-04 15:04:45,053 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 358 transitions. [2018-10-04 15:04:45,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 15:04:45,054 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:04:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:04:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 420 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:04:53,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:04:53,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 130 states and 384 transitions. [2018-10-04 15:04:53,067 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 384 transitions. [2018-10-04 15:04:53,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-04 15:04:53,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:04:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:04:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 462 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:05:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:05:01,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 132 states and 386 transitions. [2018-10-04 15:05:01,141 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 386 transitions. [2018-10-04 15:05:01,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-04 15:05:01,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:05:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:05:02,009 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 462 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:05:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:05:09,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 136 states and 413 transitions. [2018-10-04 15:05:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 413 transitions. [2018-10-04 15:05:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-04 15:05:09,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:05:09,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:05:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 968 backedges. 506 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:05:17,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:05:17,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 138 states and 415 transitions. [2018-10-04 15:05:17,733 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 415 transitions. [2018-10-04 15:05:17,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-04 15:05:17,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:05:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:05:18,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 506 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:05:26,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:05:26,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 142 states and 443 transitions. [2018-10-04 15:05:26,515 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 443 transitions. [2018-10-04 15:05:26,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-04 15:05:26,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:05:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:05:26,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1058 backedges. 552 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:05:35,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:05:35,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 144 states and 445 transitions. [2018-10-04 15:05:35,630 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 445 transitions. [2018-10-04 15:05:35,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-04 15:05:35,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:05:35,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:05:36,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 552 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:05:45,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:05:45,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 148 states and 474 transitions. [2018-10-04 15:05:45,302 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 474 transitions. [2018-10-04 15:05:45,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-04 15:05:45,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:05:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:05:45,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1152 backedges. 600 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:05:55,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:05:55,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 150 states and 476 transitions. [2018-10-04 15:05:55,039 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 476 transitions. [2018-10-04 15:05:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-10-04 15:05:55,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:05:55,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:05:56,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 600 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:06:05,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:06:05,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 154 states and 506 transitions. [2018-10-04 15:06:05,933 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 506 transitions. [2018-10-04 15:06:05,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-04 15:06:05,934 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:06:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:06:06,852 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 650 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:06:16,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:06:16,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 156 states and 508 transitions. [2018-10-04 15:06:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 508 transitions. [2018-10-04 15:06:16,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-04 15:06:16,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:06:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:06:18,335 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 650 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:06:28,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:06:28,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 160 states and 539 transitions. [2018-10-04 15:06:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 539 transitions. [2018-10-04 15:06:28,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-04 15:06:28,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:06:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:06:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 702 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 15:06:39,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 15:06:39,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 162 states and 541 transitions. [2018-10-04 15:06:39,776 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 541 transitions. [2018-10-04 15:06:39,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-04 15:06:39,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 15:06:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 15:06:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 702 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown