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/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2eb0a67 [2018-10-03 10:08:40,557 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-03 10:08:40,558 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-03 10:08:40,570 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-03 10:08:40,570 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-03 10:08:40,571 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-03 10:08:40,573 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-03 10:08:40,574 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-03 10:08:40,576 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-03 10:08:40,577 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-03 10:08:40,578 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-03 10:08:40,578 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-03 10:08:40,579 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-03 10:08:40,580 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-03 10:08:40,581 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-03 10:08:40,582 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-03 10:08:40,583 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-03 10:08:40,587 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-03 10:08:40,591 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-03 10:08:40,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-03 10:08:40,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-03 10:08:40,598 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-03 10:08:40,601 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-03 10:08:40,601 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-03 10:08:40,601 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-03 10:08:40,602 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-03 10:08:40,603 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-03 10:08:40,604 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-03 10:08:40,605 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-03 10:08:40,606 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-03 10:08:40,606 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-03 10:08:40,607 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-03 10:08:40,607 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-03 10:08:40,607 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-03 10:08:40,608 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-03 10:08:40,609 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-03 10:08:40,609 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default_PUPT.epf [2018-10-03 10:08:40,630 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-03 10:08:40,630 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-03 10:08:40,631 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-03 10:08:40,631 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-03 10:08:40,632 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-03 10:08:40,632 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-03 10:08:40,632 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-03 10:08:40,632 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-03 10:08:40,633 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-03 10:08:40,633 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-03 10:08:40,633 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-03 10:08:40,633 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-03 10:08:40,633 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-03 10:08:40,634 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-03 10:08:40,634 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-03 10:08:40,634 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-03 10:08:40,634 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-03 10:08:40,634 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-03 10:08:40,635 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-03 10:08:40,635 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-03 10:08:40,635 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-03 10:08:40,635 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-03 10:08:40,635 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:08:40,636 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-03 10:08:40,636 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-03 10:08:40,636 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-03 10:08:40,636 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-03 10:08:40,636 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-03 10:08:40,637 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-03 10:08:40,637 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-03 10:08:40,695 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-03 10:08:40,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-03 10:08:40,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-03 10:08:40,712 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-03 10:08:40,713 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-03 10:08:40,713 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-10-03 10:08:40,714 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-10-03 10:08:40,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-03 10:08:40,781 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-03 10:08:40,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-03 10:08:40,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-03 10:08:40,783 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-03 10:08:40,803 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,816 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-03 10:08:40,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-03 10:08:40,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-03 10:08:40,825 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-03 10:08:40,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... [2018-10-03 10:08:40,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-03 10:08:40,848 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-03 10:08:40,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-03 10:08:40,849 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-03 10:08:40,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 03.10 10:08:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-03 10:08:40,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-03 10:08:40,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-03 10:08:40,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-03 10:08:41,164 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-03 10:08:41,165 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:08:41 BoogieIcfgContainer [2018-10-03 10:08:41,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-03 10:08:41,165 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-03 10:08:41,166 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-03 10:08:41,177 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-03 10:08:41,177 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 10:08:41" (1/1) ... [2018-10-03 10:08:41,190 INFO L106 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-03 10:08:41,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:41,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-03 10:08:41,232 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-03 10:08:41,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-03 10:08:41,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:41,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-03 10:08:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-03 10:08:41,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-03 10:08:41,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:41,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:41,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:41,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-03 10:08:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-03 10:08:41,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-03 10:08:41,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-03 10:08:42,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:42,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-10-03 10:08:42,370 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-10-03 10:08:42,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-03 10:08:42,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:42,437 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-03 10:08:43,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-03 10:08:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-03 10:08:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-03 10:08:43,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:43,662 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-03 10:08:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-03 10:08:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-03 10:08:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-03 10:08:43,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:43,980 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-03 10:08:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-03 10:08:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-03 10:08:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-03 10:08:44,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:44,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-03 10:08:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-10-03 10:08:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-10-03 10:08:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-03 10:08:45,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:45,299 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-03 10:08:45,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:45,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-10-03 10:08:45,888 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-03 10:08:45,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-03 10:08:45,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:45,986 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-03 10:08:46,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:46,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-10-03 10:08:46,565 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-10-03 10:08:46,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-03 10:08:46,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:46,612 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-03 10:08:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:46,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-10-03 10:08:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-10-03 10:08:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-03 10:08:46,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-03 10:08:47,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:47,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-03 10:08:47,209 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-03 10:08:47,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-03 10:08:47,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:47,321 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-03 10:08:48,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:48,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-10-03 10:08:48,148 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-10-03 10:08:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-03 10:08:48,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:48,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:48,277 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-03 10:08:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-03 10:08:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-03 10:08:48,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-03 10:08:48,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-03 10:08:49,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:49,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-03 10:08:49,339 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-03 10:08:49,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-03 10:08:49,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-03 10:08:49,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-10-03 10:08:49,779 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-10-03 10:08:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-03 10:08:49,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:49,917 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-03 10:08:50,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:50,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-10-03 10:08:50,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-10-03 10:08:50,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-03 10:08:50,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:50,477 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-03 10:08:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-10-03 10:08:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-10-03 10:08:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-03 10:08:50,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:51,093 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-03 10:08:51,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:51,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-10-03 10:08:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-10-03 10:08:51,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-03 10:08:51,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:51,680 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-03 10:08:52,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:52,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-10-03 10:08:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-10-03 10:08:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-03 10:08:52,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:52,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:53,006 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-03 10:08:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:55,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-10-03 10:08:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-10-03 10:08:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-03 10:08:55,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:56,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:56,214 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-03 10:08:57,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:57,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-10-03 10:08:57,695 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-10-03 10:08:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-03 10:08:57,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:57,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:57,811 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-03 10:08:58,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:58,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-10-03 10:08:58,445 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-10-03 10:08:58,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-03 10:08:58,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:58,512 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-03 10:08:58,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:08:58,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-10-03 10:08:58,976 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-10-03 10:08:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-03 10:08:58,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:08:58,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:08:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-03 10:09:00,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:00,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-10-03 10:09:00,355 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-10-03 10:09:00,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-03 10:09:00,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:00,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-03 10:09:01,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-10-03 10:09:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-03 10:09:01,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-03 10:09:01,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:01,325 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-03 10:09:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-10-03 10:09:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-10-03 10:09:01,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-03 10:09:01,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:02,142 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-03 10:09:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:02,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-10-03 10:09:02,797 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-03 10:09:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-03 10:09:02,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-03 10:09:04,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:04,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-10-03 10:09:04,019 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-10-03 10:09:04,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-03 10:09:04,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:04,108 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-03 10:09:04,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:04,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-10-03 10:09:04,654 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-10-03 10:09:04,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-03 10:09:04,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:04,843 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-03 10:09:05,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:05,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-10-03 10:09:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-10-03 10:09:05,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-03 10:09:05,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:05,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-03 10:09:06,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:06,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-10-03 10:09:06,255 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-10-03 10:09:06,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-03 10:09:06,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:06,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-03 10:09:06,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:06,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-10-03 10:09:06,884 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-10-03 10:09:06,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-03 10:09:06,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:07,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-03 10:09:09,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:09,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-10-03 10:09:09,157 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-10-03 10:09:09,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-03 10:09:09,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:09,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-10-03 10:09:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-10-03 10:09:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-10-03 10:09:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-03 10:09:09,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:10,104 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-10-03 10:09:11,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-10-03 10:09:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-10-03 10:09:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-03 10:09:11,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-10-03 10:09:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-10-03 10:09:11,865 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-10-03 10:09:11,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-03 10:09:11,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:11,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:11,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-10-03 10:09:12,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-10-03 10:09:12,753 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-10-03 10:09:12,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-03 10:09:12,754 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:12,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-10-03 10:09:13,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-10-03 10:09:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-10-03 10:09:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-03 10:09:13,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-10-03 10:09:14,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:14,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-10-03 10:09:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-10-03 10:09:14,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-03 10:09:14,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:14,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-03 10:09:17,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:17,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-10-03 10:09:17,609 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-10-03 10:09:17,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-03 10:09:17,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:17,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-10-03 10:09:18,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:18,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-10-03 10:09:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-10-03 10:09:18,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-03 10:09:18,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:18,901 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-03 10:09:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-10-03 10:09:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-10-03 10:09:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-03 10:09:20,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:20,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-03 10:09:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:21,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-10-03 10:09:21,807 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-03 10:09:21,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-03 10:09:21,808 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-03 10:09:22,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:22,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-10-03 10:09:22,889 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-10-03 10:09:22,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-03 10:09:22,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:22,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:23,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-03 10:09:23,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:23,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-10-03 10:09:23,882 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-10-03 10:09:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-03 10:09:23,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:24,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-03 10:09:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:25,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-10-03 10:09:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-10-03 10:09:25,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-03 10:09:25,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:25,490 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-03 10:09:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:26,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-10-03 10:09:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-10-03 10:09:26,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-03 10:09:26,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:26,810 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-03 10:09:27,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:27,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-10-03 10:09:27,665 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-10-03 10:09:27,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-03 10:09:27,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:27,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-03 10:09:28,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:28,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-10-03 10:09:28,617 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-10-03 10:09:28,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-03 10:09:28,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-03 10:09:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-10-03 10:09:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-10-03 10:09:37,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-03 10:09:37,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-03 10:09:41,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:41,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-10-03 10:09:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-10-03 10:09:41,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-03 10:09:41,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:41,419 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-10-03 10:09:45,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:45,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-10-03 10:09:45,706 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-10-03 10:09:45,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-03 10:09:45,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:45,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-10-03 10:09:50,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-10-03 10:09:50,846 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-10-03 10:09:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-03 10:09:50,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:50,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-10-03 10:09:56,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-10-03 10:09:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-10-03 10:09:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-03 10:09:56,255 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:56,394 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-03 10:09:57,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:57,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-10-03 10:09:57,880 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-10-03 10:09:57,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-03 10:09:57,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-03 10:09:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:09:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-10-03 10:09:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-10-03 10:09:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-03 10:09:59,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:09:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:09:59,467 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-03 10:10:00,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:00,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-10-03 10:10:00,769 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-10-03 10:10:00,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-03 10:10:00,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-03 10:10:02,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:02,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-10-03 10:10:02,859 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-10-03 10:10:02,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-03 10:10:02,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:02,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:03,064 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-03 10:10:04,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:04,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-10-03 10:10:04,432 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-10-03 10:10:04,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-03 10:10:04,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:04,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-03 10:10:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:05,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-10-03 10:10:05,901 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-10-03 10:10:05,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-03 10:10:05,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:06,063 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-03 10:10:07,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:07,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-10-03 10:10:07,514 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-10-03 10:10:07,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-03 10:10:07,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:07,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-03 10:10:08,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:08,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-10-03 10:10:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-10-03 10:10:08,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-03 10:10:08,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-03 10:10:10,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:10,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-10-03 10:10:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-10-03 10:10:10,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-03 10:10:10,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:10,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:10,878 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-03 10:10:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:12,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-10-03 10:10:12,381 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-10-03 10:10:12,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-03 10:10:12,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:12,467 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-03 10:10:13,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:13,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-10-03 10:10:13,832 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-10-03 10:10:13,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-03 10:10:13,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:14,027 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-03 10:10:15,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:15,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-10-03 10:10:15,360 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-10-03 10:10:15,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-03 10:10:15,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:15,450 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-03 10:10:16,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:16,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-10-03 10:10:16,798 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-10-03 10:10:16,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-03 10:10:16,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:17,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-03 10:10:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:18,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-10-03 10:10:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-10-03 10:10:18,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-03 10:10:18,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:18,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:18,602 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-03 10:10:19,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:19,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-10-03 10:10:19,962 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-10-03 10:10:19,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-03 10:10:19,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-03 10:10:21,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:21,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-10-03 10:10:21,382 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-10-03 10:10:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-03 10:10:21,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:21,598 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-10-03 10:10:27,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:27,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-10-03 10:10:27,800 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-10-03 10:10:27,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-03 10:10:27,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:28,081 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-10-03 10:10:34,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:34,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-10-03 10:10:34,858 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-10-03 10:10:34,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-03 10:10:34,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:35,202 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-03 10:10:42,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:42,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-10-03 10:10:42,533 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-10-03 10:10:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-03 10:10:42,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:42,963 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-10-03 10:10:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:10:51,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-10-03 10:10:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-10-03 10:10:51,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-03 10:10:51,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:10:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:10:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-10-03 10:11:00,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:11:00,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-10-03 10:11:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-10-03 10:11:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-03 10:11:00,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:11:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:11:01,353 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-10-03 10:11:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:11:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-10-03 10:11:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-10-03 10:11:11,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-03 10:11:11,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:11:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:11:12,297 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-03 10:11:22,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:11:22,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-10-03 10:11:22,771 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-10-03 10:11:22,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-03 10:11:22,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:11:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:11:23,763 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-10-03 10:11:35,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:11:35,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-10-03 10:11:35,045 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-10-03 10:11:35,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-03 10:11:35,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:11:35,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:11:35,718 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-10-03 10:11:47,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:11:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-10-03 10:11:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-10-03 10:11:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-03 10:11:47,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:11:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:11:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-10-03 10:12:00,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:12:00,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-10-03 10:12:00,722 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-10-03 10:12:00,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-03 10:12:00,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:12:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:12:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-10-03 10:12:13,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:12:13,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-10-03 10:12:13,747 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-10-03 10:12:13,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-03 10:12:13,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:12:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:12:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-10-03 10:12:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:12:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-10-03 10:12:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-10-03 10:12:28,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-03 10:12:28,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:12:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:12:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-10-03 10:12:43,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-03 10:12:43,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-10-03 10:12:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-10-03 10:12:43,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-03 10:12:43,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-03 10:12:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-03 10:12:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 38000 backedges. 0 proven. 36625 refuted. 0 times theorem prover too weak. 1375 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown