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/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 23:04:11,501 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 23:04:11,503 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 23:04:11,520 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 23:04:11,520 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 23:04:11,522 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 23:04:11,523 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 23:04:11,526 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 23:04:11,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 23:04:11,530 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 23:04:11,531 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 23:04:11,533 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 23:04:11,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 23:04:11,537 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 23:04:11,538 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 23:04:11,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 23:04:11,546 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 23:04:11,551 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 23:04:11,553 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 23:04:11,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 23:04:11,563 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 23:04:11,564 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 23:04:11,566 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 23:04:11,566 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 23:04:11,566 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 23:04:11,567 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 23:04:11,568 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 23:04:11,569 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 23:04:11,570 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 23:04:11,571 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 23:04:11,571 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 23:04:11,572 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 23:04:11,572 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 23:04:11,572 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 23:04:11,573 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 23:04:11,574 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 23:04:11,574 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 [2018-09-26 23:04:11,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 23:04:11,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 23:04:11,605 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 23:04:11,605 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 23:04:11,606 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 23:04:11,606 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 23:04:11,606 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 23:04:11,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 23:04:11,607 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 23:04:11,607 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 23:04:11,607 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 23:04:11,607 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 23:04:11,608 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 23:04:11,609 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 23:04:11,609 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 23:04:11,609 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 23:04:11,609 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 23:04:11,609 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 23:04:11,610 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 23:04:11,610 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 23:04:11,610 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 23:04:11,610 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 23:04:11,611 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 23:04:11,612 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 23:04:11,612 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 23:04:11,612 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 23:04:11,612 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 23:04:11,613 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 23:04:11,613 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 23:04:11,613 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 23:04:11,672 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 23:04:11,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 23:04:11,697 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 23:04:11,698 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 23:04:11,699 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 23:04:11,700 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl [2018-09-26 23:04:11,700 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/HiddenEquality-Safe.bpl' [2018-09-26 23:04:11,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 23:04:11,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 23:04:11,754 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 23:04:11,754 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 23:04:11,754 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 23:04:11,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,790 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,795 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 23:04:11,796 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 23:04:11,796 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 23:04:11,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 23:04:11,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 23:04:11,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 23:04:11,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 23:04:11,811 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (1/1) ... [2018-09-26 23:04:11,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 23:04:11,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 23:04:11,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 23:04:11,822 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 23:04:11,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:04:11" (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 [2018-09-26 23:04:11,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-26 23:04:11,898 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-26 23:04:11,898 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-26 23:04:12,144 INFO L343 CfgBuilder]: Using library mode [2018-09-26 23:04:12,145 INFO L202 PluginConnector]: Adding new model HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:04:12 BoogieIcfgContainer [2018-09-26 23:04:12,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 23:04:12,146 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 23:04:12,146 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 23:04:12,160 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 23:04:12,160 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "HiddenEquality-Safe.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:04:12" (1/1) ... [2018-09-26 23:04:12,180 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 23:04:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 4 transitions. [2018-09-26 23:04:12,227 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 4 transitions. [2018-09-26 23:04:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2018-09-26 23:04:12,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:12,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2018-09-26 23:04:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2018-09-26 23:04:12,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 23:04:12,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:13,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:13,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 6 states and 9 transitions. [2018-09-26 23:04:13,257 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 9 transitions. [2018-09-26 23:04:13,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-26 23:04:13,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:13,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:13,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:13,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-26 23:04:13,735 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-26 23:04:13,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 23:04:13,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:13,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 8 states and 13 transitions. [2018-09-26 23:04:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 13 transitions. [2018-09-26 23:04:14,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-26 23:04:14,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:14,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:14,812 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:15,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:15,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 9 states and 15 transitions. [2018-09-26 23:04:15,311 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 15 transitions. [2018-09-26 23:04:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 23:04:15,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:15,391 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:17,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:17,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 10 states and 17 transitions. [2018-09-26 23:04:17,178 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 17 transitions. [2018-09-26 23:04:17,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-26 23:04:17,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:17,498 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:17,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:17,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 11 states and 19 transitions. [2018-09-26 23:04:17,885 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 19 transitions. [2018-09-26 23:04:17,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 23:04:17,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:18,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:18,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2018-09-26 23:04:18,406 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2018-09-26 23:04:18,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-26 23:04:18,407 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:18,482 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:18,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 13 states and 23 transitions. [2018-09-26 23:04:18,741 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 23 transitions. [2018-09-26 23:04:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 23:04:18,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:18,828 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:19,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:19,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 14 states and 25 transitions. [2018-09-26 23:04:19,162 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 25 transitions. [2018-09-26 23:04:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-26 23:04:19,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:20,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:20,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 15 states and 27 transitions. [2018-09-26 23:04:20,378 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 27 transitions. [2018-09-26 23:04:20,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 23:04:20,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:20,558 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:20,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 16 states and 29 transitions. [2018-09-26 23:04:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 29 transitions. [2018-09-26 23:04:20,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-26 23:04:20,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2018-09-26 23:04:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2018-09-26 23:04:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 23:04:22,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:22,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:22,250 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:22,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:22,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 18 states and 33 transitions. [2018-09-26 23:04:22,649 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 33 transitions. [2018-09-26 23:04:22,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-26 23:04:22,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2018-09-26 23:04:23,349 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2018-09-26 23:04:23,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 23:04:23,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:23,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:23,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2018-09-26 23:04:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2018-09-26 23:04:23,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-26 23:04:23,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:23,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:24,098 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:24,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:24,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 21 states and 39 transitions. [2018-09-26 23:04:24,449 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 39 transitions. [2018-09-26 23:04:24,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 23:04:24,450 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:24,568 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:25,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 22 states and 41 transitions. [2018-09-26 23:04:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 41 transitions. [2018-09-26 23:04:25,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-26 23:04:25,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:25,749 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:26,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:26,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 23 states and 43 transitions. [2018-09-26 23:04:26,246 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 43 transitions. [2018-09-26 23:04:26,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 23:04:26,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:26,365 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:26,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:26,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 24 states and 45 transitions. [2018-09-26 23:04:26,803 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 45 transitions. [2018-09-26 23:04:26,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-26 23:04:26,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:27,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:27,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 25 states and 47 transitions. [2018-09-26 23:04:27,369 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 47 transitions. [2018-09-26 23:04:27,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 23:04:27,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:28,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 26 states and 49 transitions. [2018-09-26 23:04:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 49 transitions. [2018-09-26 23:04:28,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-26 23:04:28,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:29,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 27 states and 51 transitions. [2018-09-26 23:04:29,182 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 51 transitions. [2018-09-26 23:04:29,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 23:04:29,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:29,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:30,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:30,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 28 states and 53 transitions. [2018-09-26 23:04:30,270 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 53 transitions. [2018-09-26 23:04:30,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-26 23:04:30,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:30,932 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:31,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-09-26 23:04:31,519 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-09-26 23:04:31,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 23:04:31,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:31,646 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:32,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:32,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2018-09-26 23:04:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2018-09-26 23:04:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-26 23:04:32,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:32,593 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:33,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:33,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 31 states and 59 transitions. [2018-09-26 23:04:33,247 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 59 transitions. [2018-09-26 23:04:33,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 23:04:33,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:33,502 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2018-09-26 23:04:34,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2018-09-26 23:04:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-26 23:04:34,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:35,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 33 states and 63 transitions. [2018-09-26 23:04:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 63 transitions. [2018-09-26 23:04:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 23:04:35,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:36,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:36,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2018-09-26 23:04:36,854 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2018-09-26 23:04:36,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-26 23:04:36,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 35 states and 67 transitions. [2018-09-26 23:04:38,484 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 67 transitions. [2018-09-26 23:04:38,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 23:04:38,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:38,673 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:39,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:39,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 36 states and 69 transitions. [2018-09-26 23:04:39,816 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 69 transitions. [2018-09-26 23:04:39,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-26 23:04:39,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 37 states and 71 transitions. [2018-09-26 23:04:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 71 transitions. [2018-09-26 23:04:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 23:04:40,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:42,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:42,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 38 states and 73 transitions. [2018-09-26 23:04:42,179 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 73 transitions. [2018-09-26 23:04:42,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-26 23:04:42,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:42,440 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:43,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:43,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 39 states and 75 transitions. [2018-09-26 23:04:43,342 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 75 transitions. [2018-09-26 23:04:43,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 23:04:43,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:43,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:43,572 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:44,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 40 states and 77 transitions. [2018-09-26 23:04:44,614 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 77 transitions. [2018-09-26 23:04:44,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-26 23:04:44,615 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:45,002 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:46,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:46,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-09-26 23:04:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-09-26 23:04:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 23:04:46,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:46,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:46,251 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:47,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:47,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 42 states and 81 transitions. [2018-09-26 23:04:47,283 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 81 transitions. [2018-09-26 23:04:47,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-26 23:04:47,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:48,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:48,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 43 states and 83 transitions. [2018-09-26 23:04:48,543 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 83 transitions. [2018-09-26 23:04:48,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 23:04:48,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:48,785 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:49,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:49,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 44 states and 85 transitions. [2018-09-26 23:04:49,983 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 85 transitions. [2018-09-26 23:04:49,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-26 23:04:49,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:50,180 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:51,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:51,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-09-26 23:04:51,585 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-09-26 23:04:51,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 23:04:51,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:52,366 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:53,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:53,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 46 states and 89 transitions. [2018-09-26 23:04:53,632 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 89 transitions. [2018-09-26 23:04:53,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-26 23:04:53,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:53,932 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:55,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:55,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2018-09-26 23:04:55,253 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2018-09-26 23:04:55,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 23:04:55,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:55,491 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:56,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2018-09-26 23:04:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2018-09-26 23:04:56,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-26 23:04:56,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:04:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:04:58,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 49 states and 95 transitions. [2018-09-26 23:04:58,661 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 95 transitions. [2018-09-26 23:04:58,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 23:04:58,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:04:58,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:04:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:00,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:00,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 50 states and 97 transitions. [2018-09-26 23:05:00,389 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 97 transitions. [2018-09-26 23:05:00,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-26 23:05:00,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:00,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:02,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 51 states and 99 transitions. [2018-09-26 23:05:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-09-26 23:05:02,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 23:05:02,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:02,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 52 states and 101 transitions. [2018-09-26 23:05:04,161 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 101 transitions. [2018-09-26 23:05:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-26 23:05:04,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:06,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:06,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 103 transitions. [2018-09-26 23:05:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 103 transitions. [2018-09-26 23:05:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 23:05:06,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:06,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:07,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:08,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 54 states and 105 transitions. [2018-09-26 23:05:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 105 transitions. [2018-09-26 23:05:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-26 23:05:08,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:09,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:11,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:11,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 55 states and 107 transitions. [2018-09-26 23:05:11,078 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 107 transitions. [2018-09-26 23:05:11,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 23:05:11,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:11,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:13,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:13,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 56 states and 109 transitions. [2018-09-26 23:05:13,194 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 109 transitions. [2018-09-26 23:05:13,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-26 23:05:13,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:15,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-09-26 23:05:15,374 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-09-26 23:05:15,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 23:05:15,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:15,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:17,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:17,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 58 states and 113 transitions. [2018-09-26 23:05:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 113 transitions. [2018-09-26 23:05:17,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-26 23:05:17,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:17,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:19,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:19,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 115 transitions. [2018-09-26 23:05:19,940 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 115 transitions. [2018-09-26 23:05:19,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 23:05:19,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 60 states and 117 transitions. [2018-09-26 23:05:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 117 transitions. [2018-09-26 23:05:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-26 23:05:22,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:24,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 61 states and 119 transitions. [2018-09-26 23:05:24,735 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 119 transitions. [2018-09-26 23:05:24,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 23:05:24,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:25,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:27,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 62 states and 121 transitions. [2018-09-26 23:05:27,305 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 121 transitions. [2018-09-26 23:05:27,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-26 23:05:27,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:27,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:29,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:29,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 63 states and 123 transitions. [2018-09-26 23:05:29,914 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 123 transitions. [2018-09-26 23:05:29,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-26 23:05:29,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:30,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:32,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 64 states and 125 transitions. [2018-09-26 23:05:32,892 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 125 transitions. [2018-09-26 23:05:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-26 23:05:32,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:37,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:37,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 65 states and 127 transitions. [2018-09-26 23:05:37,177 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 127 transitions. [2018-09-26 23:05:37,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 23:05:37,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:37,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:40,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:40,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 66 states and 129 transitions. [2018-09-26 23:05:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 129 transitions. [2018-09-26 23:05:40,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-26 23:05:40,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:43,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:43,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 67 states and 131 transitions. [2018-09-26 23:05:43,335 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 131 transitions. [2018-09-26 23:05:43,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-26 23:05:43,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:44,325 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:53,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 133 transitions. [2018-09-26 23:05:53,678 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 133 transitions. [2018-09-26 23:05:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-26 23:05:53,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:54,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:56,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 135 transitions. [2018-09-26 23:05:56,832 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 135 transitions. [2018-09-26 23:05:56,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 23:05:56,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:56,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:57,226 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:00,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:00,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 70 states and 137 transitions. [2018-09-26 23:06:00,075 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 137 transitions. [2018-09-26 23:06:00,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-26 23:06:00,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:00,523 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:03,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 71 states and 139 transitions. [2018-09-26 23:06:03,399 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 139 transitions. [2018-09-26 23:06:03,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 23:06:03,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:03,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:03,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:06,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:06,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 72 states and 141 transitions. [2018-09-26 23:06:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 141 transitions. [2018-09-26 23:06:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-26 23:06:06,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:06,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:10,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 73 states and 143 transitions. [2018-09-26 23:06:10,342 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 143 transitions. [2018-09-26 23:06:10,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 23:06:10,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:10,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 74 states and 145 transitions. [2018-09-26 23:06:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 145 transitions. [2018-09-26 23:06:13,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-26 23:06:13,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:14,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:17,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:17,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 75 states and 147 transitions. [2018-09-26 23:06:17,676 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 147 transitions. [2018-09-26 23:06:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-26 23:06:17,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:21,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:21,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 149 transitions. [2018-09-26 23:06:21,453 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 149 transitions. [2018-09-26 23:06:21,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-26 23:06:21,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:21,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:25,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 77 states and 151 transitions. [2018-09-26 23:06:25,345 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 151 transitions. [2018-09-26 23:06:25,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-26 23:06:25,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:25,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:29,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:29,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 78 states and 153 transitions. [2018-09-26 23:06:29,414 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 153 transitions. [2018-09-26 23:06:29,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-26 23:06:29,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:29,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:33,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 79 states and 155 transitions. [2018-09-26 23:06:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 155 transitions. [2018-09-26 23:06:33,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-26 23:06:33,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:33,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:34,045 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:37,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 80 states and 157 transitions. [2018-09-26 23:06:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 157 transitions. [2018-09-26 23:06:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-26 23:06:37,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:37,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:38,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:41,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 81 states and 159 transitions. [2018-09-26 23:06:41,996 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 159 transitions. [2018-09-26 23:06:41,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-26 23:06:41,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:46,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 82 states and 161 transitions. [2018-09-26 23:06:46,375 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 161 transitions. [2018-09-26 23:06:46,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-26 23:06:46,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:46,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:50,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:50,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 83 states and 163 transitions. [2018-09-26 23:06:50,834 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 163 transitions. [2018-09-26 23:06:50,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-26 23:06:50,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:51,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:55,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 84 states and 165 transitions. [2018-09-26 23:06:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 165 transitions. [2018-09-26 23:06:55,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-26 23:06:55,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:56,174 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:00,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:00,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 85 states and 167 transitions. [2018-09-26 23:07:00,321 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 167 transitions. [2018-09-26 23:07:00,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-26 23:07:00,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:05,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:05,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 86 states and 169 transitions. [2018-09-26 23:07:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2018-09-26 23:07:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-26 23:07:05,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:06,060 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:10,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 87 states and 171 transitions. [2018-09-26 23:07:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 171 transitions. [2018-09-26 23:07:10,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-26 23:07:10,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:10,999 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:15,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:15,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 173 transitions. [2018-09-26 23:07:15,515 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 173 transitions. [2018-09-26 23:07:15,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-26 23:07:15,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:16,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:20,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:20,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 89 states and 175 transitions. [2018-09-26 23:07:20,953 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 175 transitions. [2018-09-26 23:07:20,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-26 23:07:20,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:26,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 90 states and 177 transitions. [2018-09-26 23:07:26,296 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 177 transitions. [2018-09-26 23:07:26,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-26 23:07:26,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:31,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 91 states and 179 transitions. [2018-09-26 23:07:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 179 transitions. [2018-09-26 23:07:31,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 23:07:31,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:32,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 92 states and 181 transitions. [2018-09-26 23:07:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 181 transitions. [2018-09-26 23:07:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-26 23:07:37,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:43,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 93 states and 183 transitions. [2018-09-26 23:07:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 183 transitions. [2018-09-26 23:07:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-26 23:07:43,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:43,714 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 94 states and 185 transitions. [2018-09-26 23:07:48,937 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 185 transitions. [2018-09-26 23:07:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-26 23:07:48,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:49,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:54,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 95 states and 187 transitions. [2018-09-26 23:07:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 187 transitions. [2018-09-26 23:07:54,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-26 23:07:54,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:54,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:00,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:00,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 96 states and 189 transitions. [2018-09-26 23:08:00,982 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 189 transitions. [2018-09-26 23:08:00,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-26 23:08:00,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:01,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:07,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:07,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 97 states and 191 transitions. [2018-09-26 23:08:07,239 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 191 transitions. [2018-09-26 23:08:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-26 23:08:07,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:13,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 98 states and 193 transitions. [2018-09-26 23:08:13,629 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 193 transitions. [2018-09-26 23:08:13,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-26 23:08:13,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:20,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:20,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 99 states and 195 transitions. [2018-09-26 23:08:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 195 transitions. [2018-09-26 23:08:20,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-26 23:08:20,088 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:26,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:26,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 100 states and 197 transitions. [2018-09-26 23:08:26,849 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 197 transitions. [2018-09-26 23:08:26,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-26 23:08:26,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:27,575 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown