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-c372c2b [2018-10-02 13:09:53,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-02 13:09:53,087 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-02 13:09:53,104 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-02 13:09:53,105 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-02 13:09:53,106 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-02 13:09:53,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-02 13:09:53,109 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-02 13:09:53,110 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-02 13:09:53,111 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-02 13:09:53,112 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-02 13:09:53,112 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-02 13:09:53,113 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-02 13:09:53,116 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-02 13:09:53,117 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-02 13:09:53,118 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-02 13:09:53,119 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-02 13:09:53,122 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-02 13:09:53,128 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-02 13:09:53,129 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-02 13:09:53,130 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-02 13:09:53,131 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-02 13:09:53,133 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-02 13:09:53,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-02 13:09:53,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-02 13:09:53,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-02 13:09:53,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-02 13:09:53,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-02 13:09:53,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-02 13:09:53,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-02 13:09:53,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-02 13:09:53,139 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-02 13:09:53,139 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-02 13:09:53,139 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-02 13:09:53,140 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-02 13:09:53,141 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-02 13:09:53,141 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 [2018-10-02 13:09:53,157 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-02 13:09:53,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-02 13:09:53,159 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-02 13:09:53,159 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-02 13:09:53,160 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-02 13:09:53,160 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-02 13:09:53,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-02 13:09:53,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-02 13:09:53,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-02 13:09:53,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-02 13:09:53,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-02 13:09:53,163 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-02 13:09:53,163 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-02 13:09:53,163 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-02 13:09:53,163 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-02 13:09:53,163 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-02 13:09:53,164 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-02 13:09:53,164 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-02 13:09:53,164 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-02 13:09:53,164 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-10-02 13:09:53,166 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-02 13:09:53,166 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-02 13:09:53,166 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-02 13:09:53,166 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-02 13:09:53,166 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-02 13:09:53,167 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-02 13:09:53,167 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-02 13:09:53,167 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-02 13:09:53,167 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-02 13:09:53,167 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-02 13:09:53,239 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-02 13:09:53,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-02 13:09:53,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-02 13:09:53,262 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-10-02 13:09:53,262 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-10-02 13:09:53,263 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl [2018-10-02 13:09:53,264 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/nested1.i_4.bplTransformedIcfg_BEv2_12.bpl' [2018-10-02 13:09:53,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-02 13:09:53,318 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-10-02 13:09:53,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-02 13:09:53,319 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-02 13:09:53,319 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-02 13:09:53,339 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,352 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-02 13:09:53,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-02 13:09:53,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-02 13:09:53,361 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-02 13:09:53,372 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,373 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,374 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,374 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,378 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,379 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,380 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-02 13:09:53,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-02 13:09:53,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-02 13:09:53,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-02 13:09:53,384 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 02.10 01:09:53" (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 [2018-10-02 13:09:53,460 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-10-02 13:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-02 13:09:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-02 13:09:53,725 INFO L340 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-02 13:09:53,726 INFO L202 PluginConnector]: Adding new model nested1.i_4.bplTransformedIcfg_BEv2_12.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.10 01:09:53 BoogieIcfgContainer [2018-10-02 13:09:53,726 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-02 13:09:53,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-02 13:09:53,727 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-02 13:09:53,738 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-02 13:09:53,739 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 02.10 01:09:53" (1/1) ... [2018-10-02 13:09:53,754 INFO L103 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-10-02 13:09:53,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-10-02 13:09:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-10-02 13:09:53,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-10-02 13:09:53,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:53,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:54,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:54,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 6 states and 8 transitions. [2018-10-02 13:09:54,359 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 8 transitions. [2018-10-02 13:09:54,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-10-02 13:09:54,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:54,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:54,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-10-02 13:09:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-10-02 13:09:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-10-02 13:09:54,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:54,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-02 13:09:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:55,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2018-10-02 13:09:55,226 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2018-10-02 13:09:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-02 13:09:55,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-10-02 13:09:56,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:56,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-10-02 13:09:56,379 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-10-02 13:09:56,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-02 13:09:56,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:56,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-02 13:09:56,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:56,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 13 states and 16 transitions. [2018-10-02 13:09:56,790 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 16 transitions. [2018-10-02 13:09:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-02 13:09:56,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:56,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:56,905 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-02 13:09:57,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:57,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-10-02 13:09:57,190 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-10-02 13:09:57,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-02 13:09:57,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:57,265 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-02 13:09:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:58,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2018-10-02 13:09:58,086 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2018-10-02 13:09:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-02 13:09:58,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:58,130 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-02 13:09:58,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:58,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2018-10-02 13:09:58,774 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2018-10-02 13:09:58,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-02 13:09:58,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:58,822 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-02 13:09:59,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:59,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2018-10-02 13:09:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2018-10-02 13:09:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-02 13:09:59,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:09:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:09:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-02 13:09:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:09:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2018-10-02 13:09:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2018-10-02 13:09:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-02 13:09:59,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 43 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-10-02 13:10:00,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2018-10-02 13:10:00,469 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2018-10-02 13:10:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-02 13:10:00,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 81 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-02 13:10:01,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2018-10-02 13:10:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2018-10-02 13:10:01,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-02 13:10:01,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:02,046 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-02 13:10:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2018-10-02 13:10:02,390 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2018-10-02 13:10:02,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-02 13:10:02,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:02,598 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 94 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-02 13:10:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:02,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2018-10-02 13:10:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2018-10-02 13:10:02,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-02 13:10:02,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:03,383 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 109 proven. 21 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-10-02 13:10:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:03,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 31 states and 36 transitions. [2018-10-02 13:10:03,737 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 36 transitions. [2018-10-02 13:10:03,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-02 13:10:03,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:03,790 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 176 proven. 10 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-02 13:10:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:04,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2018-10-02 13:10:04,113 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2018-10-02 13:10:04,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-02 13:10:04,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 194 proven. 15 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-02 13:10:04,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:04,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2018-10-02 13:10:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-10-02 13:10:04,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-02 13:10:04,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:04,652 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 212 proven. 21 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-02 13:10:04,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 34 states and 39 transitions. [2018-10-02 13:10:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 39 transitions. [2018-10-02 13:10:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-02 13:10:05,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:05,202 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-02 13:10:06,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:06,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 40 states and 46 transitions. [2018-10-02 13:10:06,917 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 46 transitions. [2018-10-02 13:10:06,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-02 13:10:06,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:06,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:07,030 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 0 proven. 394 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-10-02 13:10:10,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:10,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 46 states and 53 transitions. [2018-10-02 13:10:10,377 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2018-10-02 13:10:10,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-10-02 13:10:10,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:10,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:10,566 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 407 proven. 10 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-02 13:10:11,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:11,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 47 states and 54 transitions. [2018-10-02 13:10:11,598 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 54 transitions. [2018-10-02 13:10:11,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-02 13:10:11,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:11,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:11,670 INFO L134 CoverageAnalysis]: Checked inductivity of 687 backedges. 438 proven. 15 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-02 13:10:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 48 states and 55 transitions. [2018-10-02 13:10:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 55 transitions. [2018-10-02 13:10:12,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-02 13:10:12,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:12,394 INFO L134 CoverageAnalysis]: Checked inductivity of 724 backedges. 469 proven. 21 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2018-10-02 13:10:12,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:12,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 49 states and 56 transitions. [2018-10-02 13:10:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions. [2018-10-02 13:10:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-02 13:10:12,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:12,970 INFO L134 CoverageAnalysis]: Checked inductivity of 762 backedges. 422 proven. 10 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-02 13:10:14,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:14,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 50 states and 57 transitions. [2018-10-02 13:10:14,168 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions. [2018-10-02 13:10:14,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-02 13:10:14,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:14,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 801 backedges. 456 proven. 15 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-02 13:10:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:14,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 51 states and 58 transitions. [2018-10-02 13:10:14,996 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2018-10-02 13:10:14,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-02 13:10:14,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:15,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:15,151 INFO L134 CoverageAnalysis]: Checked inductivity of 841 backedges. 490 proven. 21 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2018-10-02 13:10:15,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 52 states and 59 transitions. [2018-10-02 13:10:15,773 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 59 transitions. [2018-10-02 13:10:15,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-02 13:10:15,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:15,915 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 355 proven. 10 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-02 13:10:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:16,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 53 states and 60 transitions. [2018-10-02 13:10:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2018-10-02 13:10:16,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-02 13:10:16,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:16,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:16,486 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 392 proven. 15 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-02 13:10:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:17,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 54 states and 61 transitions. [2018-10-02 13:10:17,037 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2018-10-02 13:10:17,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-02 13:10:17,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:17,134 INFO L134 CoverageAnalysis]: Checked inductivity of 967 backedges. 429 proven. 21 refuted. 0 times theorem prover too weak. 517 trivial. 0 not checked. [2018-10-02 13:10:17,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 55 states and 62 transitions. [2018-10-02 13:10:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2018-10-02 13:10:17,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-02 13:10:17,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 1011 backedges. 206 proven. 10 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-02 13:10:18,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:18,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 56 states and 63 transitions. [2018-10-02 13:10:18,409 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2018-10-02 13:10:18,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-10-02 13:10:18,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 246 proven. 15 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-02 13:10:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:19,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 57 states and 64 transitions. [2018-10-02 13:10:19,079 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2018-10-02 13:10:19,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-10-02 13:10:19,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:19,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 286 proven. 21 refuted. 0 times theorem prover too weak. 795 trivial. 0 not checked. [2018-10-02 13:10:20,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:20,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 58 states and 65 transitions. [2018-10-02 13:10:20,324 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 65 transitions. [2018-10-02 13:10:20,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-10-02 13:10:20,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:20,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1149 backedges. 0 proven. 981 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-02 13:10:23,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:23,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 67 states and 75 transitions. [2018-10-02 13:10:23,069 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 75 transitions. [2018-10-02 13:10:23,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-10-02 13:10:23,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:23,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1568 backedges. 391 proven. 28 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2018-10-02 13:10:23,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:23,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 68 states and 76 transitions. [2018-10-02 13:10:23,901 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 76 transitions. [2018-10-02 13:10:23,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-10-02 13:10:23,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:24,032 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 764 proven. 28 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2018-10-02 13:10:24,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:24,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 77 transitions. [2018-10-02 13:10:24,711 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 77 transitions. [2018-10-02 13:10:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-10-02 13:10:24,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:24,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1681 backedges. 991 proven. 28 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2018-10-02 13:10:25,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:25,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2018-10-02 13:10:25,654 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2018-10-02 13:10:25,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-10-02 13:10:25,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:25,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:25,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1739 backedges. 1072 proven. 28 refuted. 0 times theorem prover too weak. 639 trivial. 0 not checked. [2018-10-02 13:10:26,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:26,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 79 transitions. [2018-10-02 13:10:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 79 transitions. [2018-10-02 13:10:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-10-02 13:10:26,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:26,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1798 backedges. 1007 proven. 28 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2018-10-02 13:10:27,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 72 states and 80 transitions. [2018-10-02 13:10:27,538 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2018-10-02 13:10:27,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-10-02 13:10:27,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1858 backedges. 796 proven. 28 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2018-10-02 13:10:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 73 states and 81 transitions. [2018-10-02 13:10:28,489 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2018-10-02 13:10:28,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-02 13:10:28,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1919 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2018-10-02 13:10:32,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:32,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 82 states and 91 transitions. [2018-10-02 13:10:32,407 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2018-10-02 13:10:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-02 13:10:32,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:32,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 942 proven. 28 refuted. 0 times theorem prover too weak. 1481 trivial. 0 not checked. [2018-10-02 13:10:33,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:33,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 83 states and 92 transitions. [2018-10-02 13:10:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2018-10-02 13:10:33,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-10-02 13:10:33,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:33,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2521 backedges. 512 proven. 28 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-02 13:10:34,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:34,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 84 states and 93 transitions. [2018-10-02 13:10:34,735 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 93 transitions. [2018-10-02 13:10:34,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-02 13:10:34,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:35,078 INFO L134 CoverageAnalysis]: Checked inductivity of 2592 backedges. 575 proven. 36 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-02 13:10:35,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:35,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 85 states and 94 transitions. [2018-10-02 13:10:35,942 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 94 transitions. [2018-10-02 13:10:35,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-10-02 13:10:35,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:36,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2664 backedges. 638 proven. 45 refuted. 0 times theorem prover too weak. 1981 trivial. 0 not checked. [2018-10-02 13:10:37,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:37,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 86 states and 94 transitions. [2018-10-02 13:10:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 94 transitions. [2018-10-02 13:10:37,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-10-02 13:10:37,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 2737 backedges. 1193 proven. 36 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-02 13:10:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 87 states and 95 transitions. [2018-10-02 13:10:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2018-10-02 13:10:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-02 13:10:38,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 2811 backedges. 1258 proven. 45 refuted. 0 times theorem prover too weak. 1508 trivial. 0 not checked. [2018-10-02 13:10:39,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 88 states and 95 transitions. [2018-10-02 13:10:39,406 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 95 transitions. [2018-10-02 13:10:39,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-10-02 13:10:39,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:39,661 INFO L134 CoverageAnalysis]: Checked inductivity of 2886 backedges. 1611 proven. 36 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-02 13:10:40,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:40,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 89 states and 96 transitions. [2018-10-02 13:10:40,558 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2018-10-02 13:10:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-02 13:10:40,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:40,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2962 backedges. 1678 proven. 45 refuted. 0 times theorem prover too weak. 1239 trivial. 0 not checked. [2018-10-02 13:10:41,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:41,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 90 states and 96 transitions. [2018-10-02 13:10:41,727 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2018-10-02 13:10:41,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-10-02 13:10:41,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:41,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:42,107 INFO L134 CoverageAnalysis]: Checked inductivity of 3039 backedges. 1829 proven. 36 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-02 13:10:43,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:43,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 91 states and 97 transitions. [2018-10-02 13:10:43,163 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2018-10-02 13:10:43,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-02 13:10:43,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:43,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3117 backedges. 1898 proven. 45 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2018-10-02 13:10:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 92 states and 97 transitions. [2018-10-02 13:10:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 97 transitions. [2018-10-02 13:10:47,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-10-02 13:10:47,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:47,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:47,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3196 backedges. 0 proven. 2832 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2018-10-02 13:10:51,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:51,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 102 states and 108 transitions. [2018-10-02 13:10:51,751 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 108 transitions. [2018-10-02 13:10:51,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-02 13:10:51,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 3961 backedges. 0 proven. 3561 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2018-10-02 13:10:56,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:10:56,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 112 states and 119 transitions. [2018-10-02 13:10:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 119 transitions. [2018-10-02 13:10:56,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-10-02 13:10:56,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:10:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:10:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4808 backedges. 0 proven. 4372 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2018-10-02 13:11:01,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:01,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 122 states and 130 transitions. [2018-10-02 13:11:01,582 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 130 transitions. [2018-10-02 13:11:01,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-02 13:11:01,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 5737 backedges. 0 proven. 5265 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2018-10-02 13:11:07,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:07,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 132 states and 141 transitions. [2018-10-02 13:11:07,193 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 141 transitions. [2018-10-02 13:11:07,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-02 13:11:07,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:07,522 INFO L134 CoverageAnalysis]: Checked inductivity of 6748 backedges. 3775 proven. 36 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-02 13:11:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 133 states and 142 transitions. [2018-10-02 13:11:08,816 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 142 transitions. [2018-10-02 13:11:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-02 13:11:08,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:08,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6864 backedges. 3882 proven. 45 refuted. 0 times theorem prover too weak. 2937 trivial. 0 not checked. [2018-10-02 13:11:10,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:10,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 134 states and 142 transitions. [2018-10-02 13:11:10,266 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 142 transitions. [2018-10-02 13:11:10,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-02 13:11:10,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6981 backedges. 3993 proven. 36 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-02 13:11:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:11,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 135 states and 143 transitions. [2018-10-02 13:11:11,682 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 143 transitions. [2018-10-02 13:11:11,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-10-02 13:11:11,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:12,060 INFO L134 CoverageAnalysis]: Checked inductivity of 7099 backedges. 4102 proven. 45 refuted. 0 times theorem prover too weak. 2952 trivial. 0 not checked. [2018-10-02 13:11:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 136 states and 143 transitions. [2018-10-02 13:11:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 143 transitions. [2018-10-02 13:11:13,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-02 13:11:13,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 7218 backedges. 4011 proven. 36 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-02 13:11:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:15,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 137 states and 144 transitions. [2018-10-02 13:11:15,059 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 144 transitions. [2018-10-02 13:11:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-02 13:11:15,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:15,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:15,202 INFO L134 CoverageAnalysis]: Checked inductivity of 7338 backedges. 4122 proven. 45 refuted. 0 times theorem prover too weak. 3171 trivial. 0 not checked. [2018-10-02 13:11:16,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:16,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 138 states and 144 transitions. [2018-10-02 13:11:16,544 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 144 transitions. [2018-10-02 13:11:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-02 13:11:16,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:16,743 INFO L134 CoverageAnalysis]: Checked inductivity of 7459 backedges. 3829 proven. 36 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-02 13:11:18,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 139 states and 145 transitions. [2018-10-02 13:11:18,281 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 145 transitions. [2018-10-02 13:11:18,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-02 13:11:18,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:18,385 INFO L134 CoverageAnalysis]: Checked inductivity of 7581 backedges. 3942 proven. 45 refuted. 0 times theorem prover too weak. 3594 trivial. 0 not checked. [2018-10-02 13:11:19,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:19,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 140 states and 145 transitions. [2018-10-02 13:11:19,746 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 145 transitions. [2018-10-02 13:11:19,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-02 13:11:19,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:19,866 INFO L134 CoverageAnalysis]: Checked inductivity of 7704 backedges. 3447 proven. 36 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-02 13:11:21,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:21,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 141 states and 146 transitions. [2018-10-02 13:11:21,288 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 146 transitions. [2018-10-02 13:11:21,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-02 13:11:21,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:21,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7828 backedges. 3562 proven. 45 refuted. 0 times theorem prover too weak. 4221 trivial. 0 not checked. [2018-10-02 13:11:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:23,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 142 states and 146 transitions. [2018-10-02 13:11:23,138 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 146 transitions. [2018-10-02 13:11:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-02 13:11:23,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:23,237 INFO L134 CoverageAnalysis]: Checked inductivity of 7953 backedges. 2865 proven. 36 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-02 13:11:24,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 143 states and 147 transitions. [2018-10-02 13:11:24,628 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 147 transitions. [2018-10-02 13:11:24,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-02 13:11:24,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:24,845 INFO L134 CoverageAnalysis]: Checked inductivity of 8079 backedges. 2982 proven. 45 refuted. 0 times theorem prover too weak. 5052 trivial. 0 not checked. [2018-10-02 13:11:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:26,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 144 states and 147 transitions. [2018-10-02 13:11:26,227 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 147 transitions. [2018-10-02 13:11:26,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-02 13:11:26,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:26,323 INFO L134 CoverageAnalysis]: Checked inductivity of 8206 backedges. 2083 proven. 36 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-02 13:11:27,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:27,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 145 states and 148 transitions. [2018-10-02 13:11:27,893 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 148 transitions. [2018-10-02 13:11:27,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-02 13:11:27,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:27,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 8334 backedges. 2202 proven. 45 refuted. 0 times theorem prover too weak. 6087 trivial. 0 not checked. [2018-10-02 13:11:29,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:29,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 146 states and 148 transitions. [2018-10-02 13:11:29,574 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 148 transitions. [2018-10-02 13:11:29,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-10-02 13:11:29,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:29,653 INFO L134 CoverageAnalysis]: Checked inductivity of 8463 backedges. 1101 proven. 36 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-02 13:11:31,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:31,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 147 states and 149 transitions. [2018-10-02 13:11:31,042 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 149 transitions. [2018-10-02 13:11:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-02 13:11:31,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:31,091 INFO L134 CoverageAnalysis]: Checked inductivity of 8593 backedges. 1222 proven. 45 refuted. 0 times theorem prover too weak. 7326 trivial. 0 not checked. [2018-10-02 13:11:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 148 states and 149 transitions. [2018-10-02 13:11:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 149 transitions. [2018-10-02 13:11:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-02 13:11:32,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:32,923 INFO L134 CoverageAnalysis]: Checked inductivity of 8724 backedges. 0 proven. 8064 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2018-10-02 13:11:39,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:39,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 160 states and 161 transitions. [2018-10-02 13:11:39,172 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2018-10-02 13:11:39,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-02 13:11:39,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:39,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:39,439 INFO L134 CoverageAnalysis]: Checked inductivity of 10244 backedges. 0 proven. 9529 refuted. 0 times theorem prover too weak. 715 trivial. 0 not checked. [2018-10-02 13:11:46,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:46,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 172 states and 173 transitions. [2018-10-02 13:11:46,476 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 173 transitions. [2018-10-02 13:11:46,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-02 13:11:46,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:46,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:46,839 INFO L134 CoverageAnalysis]: Checked inductivity of 11886 backedges. 0 proven. 11116 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2018-10-02 13:11:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:11:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 184 states and 185 transitions. [2018-10-02 13:11:54,531 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2018-10-02 13:11:54,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-02 13:11:54,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:11:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:11:54,890 INFO L134 CoverageAnalysis]: Checked inductivity of 13650 backedges. 0 proven. 12825 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2018-10-02 13:12:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:12:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 196 states and 197 transitions. [2018-10-02 13:12:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 197 transitions. [2018-10-02 13:12:03,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-10-02 13:12:03,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:12:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:12:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 15536 backedges. 0 proven. 14656 refuted. 0 times theorem prover too weak. 880 trivial. 0 not checked. [2018-10-02 13:12:13,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:12:13,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 208 states and 209 transitions. [2018-10-02 13:12:13,658 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2018-10-02 13:12:13,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-02 13:12:13,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:12:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:12:14,240 INFO L134 CoverageAnalysis]: Checked inductivity of 17544 backedges. 0 proven. 16609 refuted. 0 times theorem prover too weak. 935 trivial. 0 not checked. [2018-10-02 13:12:24,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:12:24,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 220 states and 221 transitions. [2018-10-02 13:12:24,781 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 221 transitions. [2018-10-02 13:12:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-10-02 13:12:24,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:12:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:12:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 19674 backedges. 0 proven. 18684 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2018-10-02 13:12:36,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:12:36,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 232 states and 233 transitions. [2018-10-02 13:12:36,206 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2018-10-02 13:12:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-10-02 13:12:36,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:12:36,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:12:36,814 INFO L134 CoverageAnalysis]: Checked inductivity of 21926 backedges. 0 proven. 20881 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2018-10-02 13:12:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:12:48,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 244 states and 245 transitions. [2018-10-02 13:12:48,407 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 245 transitions. [2018-10-02 13:12:48,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-10-02 13:12:48,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:12:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:12:49,003 INFO L134 CoverageAnalysis]: Checked inductivity of 24300 backedges. 0 proven. 23200 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2018-10-02 13:13:01,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:13:01,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 256 states and 257 transitions. [2018-10-02 13:13:01,646 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2018-10-02 13:13:01,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-10-02 13:13:01,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:13:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:13:02,393 INFO L134 CoverageAnalysis]: Checked inductivity of 26796 backedges. 0 proven. 25641 refuted. 0 times theorem prover too weak. 1155 trivial. 0 not checked. [2018-10-02 13:13:15,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:13:15,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 268 states and 269 transitions. [2018-10-02 13:13:15,146 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 269 transitions. [2018-10-02 13:13:15,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-10-02 13:13:15,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:13:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:13:15,723 INFO L134 CoverageAnalysis]: Checked inductivity of 29414 backedges. 0 proven. 28204 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-10-02 13:13:28,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:13:28,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 280 states and 281 transitions. [2018-10-02 13:13:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2018-10-02 13:13:28,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2018-10-02 13:13:28,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:13:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:13:29,266 INFO L134 CoverageAnalysis]: Checked inductivity of 32154 backedges. 0 proven. 30889 refuted. 0 times theorem prover too weak. 1265 trivial. 0 not checked. [2018-10-02 13:13:43,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:13:43,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 292 states and 293 transitions. [2018-10-02 13:13:43,410 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 293 transitions. [2018-10-02 13:13:43,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-02 13:13:43,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:13:43,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:13:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 35016 backedges. 0 proven. 33696 refuted. 0 times theorem prover too weak. 1320 trivial. 0 not checked. [2018-10-02 13:13:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-02 13:13:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 304 states and 305 transitions. [2018-10-02 13:13:58,990 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2018-10-02 13:13:58,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2018-10-02 13:13:58,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-10-02 13:13:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-02 13:13:59,780 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