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/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-9f4048f-m [2018-10-04 14:46:51,264 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-04 14:46:51,266 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-04 14:46:51,283 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-04 14:46:51,284 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-04 14:46:51,285 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-04 14:46:51,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-04 14:46:51,289 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-04 14:46:51,291 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-04 14:46:51,292 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-04 14:46:51,294 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-04 14:46:51,294 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-04 14:46:51,295 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-04 14:46:51,303 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-04 14:46:51,306 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-04 14:46:51,307 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-04 14:46:51,308 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-04 14:46:51,309 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-04 14:46:51,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-04 14:46:51,318 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-04 14:46:51,319 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-04 14:46:51,324 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-04 14:46:51,326 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-04 14:46:51,326 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-04 14:46:51,327 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-04 14:46:51,327 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-04 14:46:51,330 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-04 14:46:51,331 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-04 14:46:51,332 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-04 14:46:51,333 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-04 14:46:51,333 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-04 14:46:51,336 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-04 14:46:51,336 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-04 14:46:51,336 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-04 14:46:51,337 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-04 14:46:51,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-04 14:46:51,338 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 14:46:51,365 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-04 14:46:51,366 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-04 14:46:51,366 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-04 14:46:51,367 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-04 14:46:51,367 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-04 14:46:51,368 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-04 14:46:51,368 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-04 14:46:51,368 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-04 14:46:51,368 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-04 14:46:51,368 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-04 14:46:51,369 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-04 14:46:51,369 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-04 14:46:51,369 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-04 14:46:51,369 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-04 14:46:51,369 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-04 14:46:51,369 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-04 14:46:51,371 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-04 14:46:51,371 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-04 14:46:51,371 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-04 14:46:51,371 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-04 14:46:51,372 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-04 14:46:51,372 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-04 14:46:51,372 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-04 14:46:51,372 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-04 14:46:51,372 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-04 14:46:51,373 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-04 14:46:51,373 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-04 14:46:51,373 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-04 14:46:51,373 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-04 14:46:51,374 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-04 14:46:51,424 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-04 14:46:51,439 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-04 14:46:51,445 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-04 14:46:51,446 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-04 14:46:51,447 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-04 14:46:51,448 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl [2018-10-04 14:46:51,449 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/down.i_4.bplTransformedIcfg_BEv2_5.bpl' [2018-10-04 14:46:51,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-04 14:46:51,514 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-04 14:46:51,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-04 14:46:51,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-04 14:46:51,515 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-04 14:46:51,537 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,557 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-04 14:46:51,558 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-04 14:46:51,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-04 14:46:51,559 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-04 14:46:51,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,571 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (1/1) ... [2018-10-04 14:46:51,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-04 14:46:51,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-04 14:46:51,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-04 14:46:51,584 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-04 14:46:51,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 02:46:51" (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 14:46:51,670 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-04 14:46:51,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-04 14:46:51,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-04 14:46:52,033 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-04 14:46:52,033 INFO L202 PluginConnector]: Adding new model down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:46:52 BoogieIcfgContainer [2018-10-04 14:46:52,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-04 14:46:52,034 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-04 14:46:52,034 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-04 14:46:52,048 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-04 14:46:52,049 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "down.i_4.bplTransformedIcfg_BEv2_5.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:46:52" (1/1) ... [2018-10-04 14:46:52,072 INFO L108 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-04 14:46:52,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:52,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2018-10-04 14:46:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2018-10-04 14:46:52,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-04 14:46:52,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:52,333 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 14:46:52,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:52,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 8 states and 12 transitions. [2018-10-04 14:46:52,536 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 12 transitions. [2018-10-04 14:46:52,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-04 14:46:52,536 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:52,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:54,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:54,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-10-04 14:46:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-10-04 14:46:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-04 14:46:54,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:55,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2018-10-04 14:46:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2018-10-04 14:46:55,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-04 14:46:55,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:55,351 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:56,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-10-04 14:46:56,164 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-10-04 14:46:56,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-04 14:46:56,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:56,354 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:46:57,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-10-04 14:46:57,599 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-10-04 14:46:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-04 14:46:57,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:57,702 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 14:46:58,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:46:59,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 20 states and 38 transitions. [2018-10-04 14:46:59,000 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 38 transitions. [2018-10-04 14:46:59,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-04 14:46:59,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:46:59,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:46:59,168 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 14:47:00,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:00,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2018-10-04 14:47:00,366 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2018-10-04 14:47:00,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-04 14:47:00,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:00,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:00,472 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:01,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:01,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 50 transitions. [2018-10-04 14:47:01,363 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 50 transitions. [2018-10-04 14:47:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-04 14:47:01,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:01,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:01,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:02,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 28 states and 60 transitions. [2018-10-04 14:47:02,559 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 60 transitions. [2018-10-04 14:47:02,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-04 14:47:02,561 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:02,700 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 15 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:03,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:03,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 30 states and 63 transitions. [2018-10-04 14:47:03,726 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 63 transitions. [2018-10-04 14:47:03,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-04 14:47:03,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:03,924 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 30 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:04,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 33 states and 74 transitions. [2018-10-04 14:47:04,999 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 74 transitions. [2018-10-04 14:47:05,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-04 14:47:05,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:05,147 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 21 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:06,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:06,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 35 states and 77 transitions. [2018-10-04 14:47:06,211 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 77 transitions. [2018-10-04 14:47:06,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-04 14:47:06,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 42 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:08,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 38 states and 89 transitions. [2018-10-04 14:47:08,640 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 89 transitions. [2018-10-04 14:47:08,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-04 14:47:08,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:08,775 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:10,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:10,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 40 states and 92 transitions. [2018-10-04 14:47:10,921 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 92 transitions. [2018-10-04 14:47:10,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-04 14:47:10,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 56 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:14,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:14,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 43 states and 105 transitions. [2018-10-04 14:47:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 105 transitions. [2018-10-04 14:47:14,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-04 14:47:14,154 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 36 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:16,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:16,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 45 states and 108 transitions. [2018-10-04 14:47:16,261 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 108 transitions. [2018-10-04 14:47:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-04 14:47:16,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:16,594 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 72 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 48 states and 122 transitions. [2018-10-04 14:47:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 122 transitions. [2018-10-04 14:47:18,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-04 14:47:18,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 45 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:20,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 50 states and 125 transitions. [2018-10-04 14:47:20,099 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 125 transitions. [2018-10-04 14:47:20,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-04 14:47:20,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:20,358 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 90 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:22,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 53 states and 140 transitions. [2018-10-04 14:47:22,305 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 140 transitions. [2018-10-04 14:47:22,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-04 14:47:22,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:23,492 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 55 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:25,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:25,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 55 states and 143 transitions. [2018-10-04 14:47:25,554 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 143 transitions. [2018-10-04 14:47:25,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-04 14:47:25,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:25,975 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 110 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:27,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:27,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 58 states and 159 transitions. [2018-10-04 14:47:27,928 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 159 transitions. [2018-10-04 14:47:27,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-04 14:47:27,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:28,090 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 66 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:30,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 60 states and 162 transitions. [2018-10-04 14:47:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 162 transitions. [2018-10-04 14:47:30,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-04 14:47:30,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:30,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:30,548 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:32,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 63 states and 179 transitions. [2018-10-04 14:47:32,738 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 179 transitions. [2018-10-04 14:47:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-04 14:47:32,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 78 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:35,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 65 states and 182 transitions. [2018-10-04 14:47:35,777 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 182 transitions. [2018-10-04 14:47:35,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-04 14:47:35,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:36,276 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 156 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:38,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:38,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 68 states and 200 transitions. [2018-10-04 14:47:38,907 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 200 transitions. [2018-10-04 14:47:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-04 14:47:38,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:38,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:39,468 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 91 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 70 states and 203 transitions. [2018-10-04 14:47:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 203 transitions. [2018-10-04 14:47:42,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-10-04 14:47:42,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 182 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:45,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 73 states and 222 transitions. [2018-10-04 14:47:45,194 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 222 transitions. [2018-10-04 14:47:45,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-04 14:47:45,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:45,403 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 105 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:48,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:48,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 75 states and 225 transitions. [2018-10-04 14:47:48,269 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 225 transitions. [2018-10-04 14:47:48,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-04 14:47:48,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:48,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:48,712 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 210 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 78 states and 245 transitions. [2018-10-04 14:47:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 245 transitions. [2018-10-04 14:47:51,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-04 14:47:51,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:52,053 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 120 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:55,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:55,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 80 states and 248 transitions. [2018-10-04 14:47:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 248 transitions. [2018-10-04 14:47:55,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-04 14:47:55,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:55,866 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 240 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:47:59,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:47:59,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 83 states and 269 transitions. [2018-10-04 14:47:59,345 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 269 transitions. [2018-10-04 14:47:59,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-04 14:47:59,346 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:47:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:47:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 136 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:03,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:03,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 85 states and 272 transitions. [2018-10-04 14:48:03,349 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 272 transitions. [2018-10-04 14:48:03,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-04 14:48:03,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:03,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 272 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:07,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 88 states and 294 transitions. [2018-10-04 14:48:07,955 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 294 transitions. [2018-10-04 14:48:07,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-04 14:48:07,955 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 153 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:12,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 90 states and 297 transitions. [2018-10-04 14:48:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 297 transitions. [2018-10-04 14:48:12,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-04 14:48:12,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:13,818 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 306 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:17,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 93 states and 320 transitions. [2018-10-04 14:48:17,936 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 320 transitions. [2018-10-04 14:48:17,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-04 14:48:17,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:18,199 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 171 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:22,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:22,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 95 states and 323 transitions. [2018-10-04 14:48:22,567 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 323 transitions. [2018-10-04 14:48:22,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-10-04 14:48:22,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:23,100 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 342 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 98 states and 347 transitions. [2018-10-04 14:48:27,585 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 347 transitions. [2018-10-04 14:48:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-10-04 14:48:27,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 190 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:32,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:32,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 100 states and 350 transitions. [2018-10-04 14:48:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 350 transitions. [2018-10-04 14:48:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-10-04 14:48:32,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:33,139 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 380 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 103 states and 375 transitions. [2018-10-04 14:48:38,071 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 375 transitions. [2018-10-04 14:48:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-10-04 14:48:38,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 590 backedges. 210 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:46,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:46,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 105 states and 378 transitions. [2018-10-04 14:48:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 378 transitions. [2018-10-04 14:48:46,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-04 14:48:46,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:47,446 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 420 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:52,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:52,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 108 states and 404 transitions. [2018-10-04 14:48:52,858 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 404 transitions. [2018-10-04 14:48:52,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-04 14:48:52,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:53,202 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 231 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:48:58,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:48:58,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 110 states and 407 transitions. [2018-10-04 14:48:58,680 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 407 transitions. [2018-10-04 14:48:58,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-04 14:48:58,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:48:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:48:59,416 INFO L134 CoverageAnalysis]: Checked inductivity of 693 backedges. 462 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:05,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:05,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 113 states and 434 transitions. [2018-10-04 14:49:05,227 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 434 transitions. [2018-10-04 14:49:05,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-04 14:49:05,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:05,687 INFO L134 CoverageAnalysis]: Checked inductivity of 715 backedges. 253 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:11,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 115 states and 437 transitions. [2018-10-04 14:49:11,934 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 437 transitions. [2018-10-04 14:49:11,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-04 14:49:11,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:12,692 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 506 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:19,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:19,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 118 states and 465 transitions. [2018-10-04 14:49:19,266 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 465 transitions. [2018-10-04 14:49:19,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-04 14:49:19,267 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 276 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 120 states and 468 transitions. [2018-10-04 14:49:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 468 transitions. [2018-10-04 14:49:26,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-10-04 14:49:26,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:27,548 INFO L134 CoverageAnalysis]: Checked inductivity of 828 backedges. 552 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:34,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:34,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 123 states and 497 transitions. [2018-10-04 14:49:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 497 transitions. [2018-10-04 14:49:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-10-04 14:49:34,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 852 backedges. 300 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:42,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:42,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 125 states and 500 transitions. [2018-10-04 14:49:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 500 transitions. [2018-10-04 14:49:42,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-04 14:49:42,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:43,536 INFO L134 CoverageAnalysis]: Checked inductivity of 900 backedges. 600 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 128 states and 530 transitions. [2018-10-04 14:49:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 530 transitions. [2018-10-04 14:49:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-04 14:49:51,306 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:49:51,585 INFO L134 CoverageAnalysis]: Checked inductivity of 925 backedges. 325 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:49:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:49:59,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 130 states and 533 transitions. [2018-10-04 14:49:59,562 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 533 transitions. [2018-10-04 14:49:59,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-04 14:49:59,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:49:59,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:02,916 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 650 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:11,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:11,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 133 states and 564 transitions. [2018-10-04 14:50:11,180 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 564 transitions. [2018-10-04 14:50:11,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-04 14:50:11,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1001 backedges. 351 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:20,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:20,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 135 states and 567 transitions. [2018-10-04 14:50:20,202 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 567 transitions. [2018-10-04 14:50:20,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-04 14:50:20,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 702 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:30,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:30,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 138 states and 599 transitions. [2018-10-04 14:50:30,449 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 599 transitions. [2018-10-04 14:50:30,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-04 14:50:30,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:31,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 378 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 140 states and 602 transitions. [2018-10-04 14:50:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 602 transitions. [2018-10-04 14:50:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-04 14:50:40,547 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:41,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 756 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:50:51,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:50:51,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 143 states and 635 transitions. [2018-10-04 14:50:51,152 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 635 transitions. [2018-10-04 14:50:51,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-04 14:50:51,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:50:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:50:51,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1162 backedges. 406 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-04 14:51:02,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-04 14:51:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 145 states and 638 transitions. [2018-10-04 14:51:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 638 transitions. [2018-10-04 14:51:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-04 14:51:02,285 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-04 14:51:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-04 14:51:03,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1218 backedges. 812 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown