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/LargeConstant-ForwardSuccess.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-d19836b [2018-09-26 23:05:29,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-26 23:05:29,063 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-26 23:05:29,076 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-26 23:05:29,076 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-26 23:05:29,078 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-26 23:05:29,079 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-26 23:05:29,081 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-26 23:05:29,082 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-26 23:05:29,083 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-26 23:05:29,084 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-26 23:05:29,084 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-26 23:05:29,086 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-26 23:05:29,087 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-26 23:05:29,092 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-26 23:05:29,093 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-26 23:05:29,094 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-26 23:05:29,096 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-26 23:05:29,104 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-26 23:05:29,106 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-26 23:05:29,111 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-26 23:05:29,112 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-26 23:05:29,118 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-26 23:05:29,118 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-26 23:05:29,118 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-26 23:05:29,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-26 23:05:29,126 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-26 23:05:29,126 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-26 23:05:29,127 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-26 23:05:29,128 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-26 23:05:29,129 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-26 23:05:29,129 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-26 23:05:29,129 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-26 23:05:29,130 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-26 23:05:29,131 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-26 23:05:29,131 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-26 23:05:29,131 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 23:05:29,148 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-26 23:05:29,148 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-26 23:05:29,149 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-26 23:05:29,149 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-26 23:05:29,150 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-26 23:05:29,150 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-26 23:05:29,150 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-26 23:05:29,150 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-26 23:05:29,150 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-26 23:05:29,151 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-26 23:05:29,151 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-26 23:05:29,151 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-26 23:05:29,151 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-26 23:05:29,151 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-26 23:05:29,151 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-26 23:05:29,152 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-26 23:05:29,152 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-26 23:05:29,152 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-26 23:05:29,152 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-26 23:05:29,152 INFO L133 SettingsManager]: * Use predicate trie based predicate unification=true [2018-09-26 23:05:29,153 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-26 23:05:29,153 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-26 23:05:29,153 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-26 23:05:29,153 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-26 23:05:29,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-26 23:05:29,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-26 23:05:29,154 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-26 23:05:29,154 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-26 23:05:29,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-26 23:05:29,155 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-26 23:05:29,208 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-26 23:05:29,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-26 23:05:29,232 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-26 23:05:29,234 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-26 23:05:29,235 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-26 23:05:29,237 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LargeConstant-ForwardSuccess.bpl [2018-09-26 23:05:29,237 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/LargeConstant-ForwardSuccess.bpl' [2018-09-26 23:05:29,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-26 23:05:29,306 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-26 23:05:29,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-26 23:05:29,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-26 23:05:29,308 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-26 23:05:29,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,354 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-26 23:05:29,355 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-26 23:05:29,355 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-26 23:05:29,357 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-26 23:05:29,359 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-26 23:05:29,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-26 23:05:29,359 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-26 23:05:29,371 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,376 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,381 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-26 23:05:29,383 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-26 23:05:29,383 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-26 23:05:29,383 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-26 23:05:29,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 26.09 11:05:29" (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 23:05:29,465 INFO L130 BoogieDeclarations]: Found specification of procedure proc [2018-09-26 23:05:29,465 INFO L138 BoogieDeclarations]: Found implementation of procedure proc [2018-09-26 23:05:29,680 INFO L343 CfgBuilder]: Using library mode [2018-09-26 23:05:29,680 INFO L202 PluginConnector]: Adding new model LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:05:29 BoogieIcfgContainer [2018-09-26 23:05:29,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-26 23:05:29,681 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-26 23:05:29,681 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-26 23:05:29,694 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-26 23:05:29,695 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "LargeConstant-ForwardSuccess.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.09 11:05:29" (1/1) ... [2018-09-26 23:05:29,715 INFO L99 BPredicateUnifier]: Initialized predicate-trie based predicate unifier [2018-09-26 23:05:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-09-26 23:05:29,759 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-09-26 23:05:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-26 23:05:29,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:29,925 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 23:05:30,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:30,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 7 states and 9 transitions. [2018-09-26 23:05:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 9 transitions. [2018-09-26 23:05:30,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-26 23:05:30,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:30,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:30,397 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:31,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:31,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2018-09-26 23:05:31,015 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2018-09-26 23:05:31,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-26 23:05:31,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:31,062 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 23:05:31,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:31,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2018-09-26 23:05:31,620 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2018-09-26 23:05:31,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-26 23:05:31,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:31,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:32,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:32,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2018-09-26 23:05:32,712 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2018-09-26 23:05:32,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-26 23:05:32,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:32,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:34,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 15 states and 21 transitions. [2018-09-26 23:05:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 21 transitions. [2018-09-26 23:05:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-26 23:05:34,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:35,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:35,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2018-09-26 23:05:35,559 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2018-09-26 23:05:35,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-26 23:05:35,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:35,646 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:36,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:36,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2018-09-26 23:05:36,066 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2018-09-26 23:05:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-26 23:05:36,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:36,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2018-09-26 23:05:36,576 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2018-09-26 23:05:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-26 23:05:36,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:36,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:36,731 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2018-09-26 23:05:37,516 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2018-09-26 23:05:37,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-26 23:05:37,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:38,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:38,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 25 states and 36 transitions. [2018-09-26 23:05:38,895 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2018-09-26 23:05:38,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-26 23:05:38,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:38,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:39,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:40,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:40,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2018-09-26 23:05:40,273 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2018-09-26 23:05:40,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-26 23:05:40,275 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:40,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:40,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:40,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2018-09-26 23:05:40,801 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2018-09-26 23:05:40,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-26 23:05:40,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:40,912 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:41,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:41,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2018-09-26 23:05:41,507 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2018-09-26 23:05:41,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-26 23:05:41,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:42,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:42,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 33 states and 48 transitions. [2018-09-26 23:05:42,122 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 48 transitions. [2018-09-26 23:05:42,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-26 23:05:42,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:42,240 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 23:05:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2018-09-26 23:05:42,741 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2018-09-26 23:05:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-26 23:05:42,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:42,876 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:43,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:43,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2018-09-26 23:05:43,560 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2018-09-26 23:05:43,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-26 23:05:43,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:43,773 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 272 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:44,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:44,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 39 states and 57 transitions. [2018-09-26 23:05:44,379 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 57 transitions. [2018-09-26 23:05:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-26 23:05:44,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:44,490 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:45,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:45,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 41 states and 60 transitions. [2018-09-26 23:05:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 60 transitions. [2018-09-26 23:05:45,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-26 23:05:45,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:45,559 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 0 proven. 342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 43 states and 63 transitions. [2018-09-26 23:05:46,294 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 63 transitions. [2018-09-26 23:05:46,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-26 23:05:46,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:47,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:47,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 45 states and 66 transitions. [2018-09-26 23:05:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 66 transitions. [2018-09-26 23:05:47,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-26 23:05:47,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:47,664 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:48,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:48,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 47 states and 69 transitions. [2018-09-26 23:05:48,451 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 69 transitions. [2018-09-26 23:05:48,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-26 23:05:48,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:49,466 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:50,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:50,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2018-09-26 23:05:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2018-09-26 23:05:50,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-26 23:05:50,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:51,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:51,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2018-09-26 23:05:51,830 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2018-09-26 23:05:51,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-26 23:05:51,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:52,198 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:53,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:53,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 53 states and 78 transitions. [2018-09-26 23:05:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2018-09-26 23:05:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-26 23:05:53,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:54,109 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:55,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 55 states and 81 transitions. [2018-09-26 23:05:55,001 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 81 transitions. [2018-09-26 23:05:55,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-26 23:05:55,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:55,719 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:56,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:56,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2018-09-26 23:05:56,726 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2018-09-26 23:05:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-26 23:05:56,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:56,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:56,922 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:58,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:58,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 87 transitions. [2018-09-26 23:05:58,003 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 87 transitions. [2018-09-26 23:05:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-26 23:05:58,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:05:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:05:59,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 61 states and 90 transitions. [2018-09-26 23:05:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 90 transitions. [2018-09-26 23:05:59,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-26 23:05:59,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:05:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:05:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:00,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 63 states and 93 transitions. [2018-09-26 23:06:00,761 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2018-09-26 23:06:00,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-26 23:06:00,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:00,995 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 65 states and 96 transitions. [2018-09-26 23:06:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 96 transitions. [2018-09-26 23:06:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-26 23:06:02,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:04,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:04,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 99 transitions. [2018-09-26 23:06:04,010 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2018-09-26 23:06:04,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-26 23:06:04,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:04,232 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 69 states and 102 transitions. [2018-09-26 23:06:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 102 transitions. [2018-09-26 23:06:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-26 23:06:05,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:05,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:07,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:07,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 71 states and 105 transitions. [2018-09-26 23:06:07,291 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2018-09-26 23:06:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-26 23:06:07,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:07,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 73 states and 108 transitions. [2018-09-26 23:06:09,140 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2018-09-26 23:06:09,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-26 23:06:09,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:09,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:11,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 75 states and 111 transitions. [2018-09-26 23:06:11,055 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 111 transitions. [2018-09-26 23:06:11,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-26 23:06:11,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:12,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:12,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2018-09-26 23:06:12,962 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2018-09-26 23:06:12,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-26 23:06:12,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 79 states and 117 transitions. [2018-09-26 23:06:15,350 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 117 transitions. [2018-09-26 23:06:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-26 23:06:15,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:17,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:17,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 81 states and 120 transitions. [2018-09-26 23:06:17,340 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 120 transitions. [2018-09-26 23:06:17,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-26 23:06:17,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:17,652 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:19,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:19,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 83 states and 123 transitions. [2018-09-26 23:06:19,323 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 123 transitions. [2018-09-26 23:06:19,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-26 23:06:19,323 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:19,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:21,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:21,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 85 states and 126 transitions. [2018-09-26 23:06:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 126 transitions. [2018-09-26 23:06:21,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-26 23:06:21,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:21,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:23,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2018-09-26 23:06:23,604 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2018-09-26 23:06:23,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-26 23:06:23,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:25,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 89 states and 132 transitions. [2018-09-26 23:06:25,851 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 132 transitions. [2018-09-26 23:06:25,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-26 23:06:25,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:26,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:28,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 91 states and 135 transitions. [2018-09-26 23:06:28,045 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 135 transitions. [2018-09-26 23:06:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-26 23:06:28,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:28,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:30,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:30,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 93 states and 138 transitions. [2018-09-26 23:06:30,485 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 138 transitions. [2018-09-26 23:06:30,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-26 23:06:30,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:30,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:32,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:32,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 95 states and 141 transitions. [2018-09-26 23:06:32,974 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 141 transitions. [2018-09-26 23:06:32,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-26 23:06:32,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:32,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:33,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:35,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:35,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 97 states and 144 transitions. [2018-09-26 23:06:35,653 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 144 transitions. [2018-09-26 23:06:35,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-26 23:06:35,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:35,972 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:40,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:40,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 99 states and 147 transitions. [2018-09-26 23:06:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 147 transitions. [2018-09-26 23:06:40,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-26 23:06:40,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:41,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:43,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:43,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 101 states and 150 transitions. [2018-09-26 23:06:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 150 transitions. [2018-09-26 23:06:43,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-26 23:06:43,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:43,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:44,094 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:46,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:46,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 103 states and 153 transitions. [2018-09-26 23:06:46,496 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 153 transitions. [2018-09-26 23:06:46,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-26 23:06:46,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:46,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:49,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 105 states and 156 transitions. [2018-09-26 23:06:49,334 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 156 transitions. [2018-09-26 23:06:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-26 23:06:49,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:49,672 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:52,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:52,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 107 states and 159 transitions. [2018-09-26 23:06:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 159 transitions. [2018-09-26 23:06:52,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-26 23:06:52,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:52,546 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:55,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:55,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 109 states and 162 transitions. [2018-09-26 23:06:55,150 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2018-09-26 23:06:55,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-26 23:06:55,151 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:55,480 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:06:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:06:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 111 states and 165 transitions. [2018-09-26 23:06:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 165 transitions. [2018-09-26 23:06:58,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-26 23:06:58,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:06:58,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:06:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 113 states and 168 transitions. [2018-09-26 23:07:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 168 transitions. [2018-09-26 23:07:01,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-26 23:07:01,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:02,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 115 states and 171 transitions. [2018-09-26 23:07:05,456 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2018-09-26 23:07:05,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-26 23:07:05,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:05,923 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:09,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:09,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 117 states and 174 transitions. [2018-09-26 23:07:09,054 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 174 transitions. [2018-09-26 23:07:09,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-26 23:07:09,055 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:12,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 119 states and 177 transitions. [2018-09-26 23:07:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 177 transitions. [2018-09-26 23:07:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-26 23:07:12,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 121 states and 180 transitions. [2018-09-26 23:07:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 180 transitions. [2018-09-26 23:07:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-26 23:07:17,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:18,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:21,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:21,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 123 states and 183 transitions. [2018-09-26 23:07:21,461 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 183 transitions. [2018-09-26 23:07:21,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-26 23:07:21,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:21,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:25,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:25,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 125 states and 186 transitions. [2018-09-26 23:07:25,401 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 186 transitions. [2018-09-26 23:07:25,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-26 23:07:25,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:25,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:25,783 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:29,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:29,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 127 states and 189 transitions. [2018-09-26 23:07:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 189 transitions. [2018-09-26 23:07:29,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-26 23:07:29,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:29,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:33,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 129 states and 192 transitions. [2018-09-26 23:07:33,527 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 192 transitions. [2018-09-26 23:07:33,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-26 23:07:33,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:37,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:37,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 131 states and 195 transitions. [2018-09-26 23:07:37,787 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 195 transitions. [2018-09-26 23:07:37,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-26 23:07:37,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:38,191 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:42,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 133 states and 198 transitions. [2018-09-26 23:07:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 198 transitions. [2018-09-26 23:07:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-26 23:07:42,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:46,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:46,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 135 states and 201 transitions. [2018-09-26 23:07:46,812 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2018-09-26 23:07:46,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-26 23:07:46,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:51,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:51,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 137 states and 204 transitions. [2018-09-26 23:07:51,784 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 204 transitions. [2018-09-26 23:07:51,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-26 23:07:51,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:52,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:07:56,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:07:56,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 139 states and 207 transitions. [2018-09-26 23:07:56,573 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 207 transitions. [2018-09-26 23:07:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-26 23:07:56,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:07:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:07:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:01,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:01,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 141 states and 210 transitions. [2018-09-26 23:08:01,623 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 210 transitions. [2018-09-26 23:08:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-26 23:08:01,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:02,088 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:06,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 143 states and 213 transitions. [2018-09-26 23:08:06,658 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 213 transitions. [2018-09-26 23:08:06,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-26 23:08:06,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 145 states and 216 transitions. [2018-09-26 23:08:11,788 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 216 transitions. [2018-09-26 23:08:11,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-26 23:08:11,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 147 states and 219 transitions. [2018-09-26 23:08:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 219 transitions. [2018-09-26 23:08:17,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-26 23:08:17,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:17,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:17,543 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:22,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:22,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 149 states and 222 transitions. [2018-09-26 23:08:22,411 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 222 transitions. [2018-09-26 23:08:22,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-26 23:08:22,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:23,037 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:27,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:27,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 151 states and 225 transitions. [2018-09-26 23:08:27,969 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2018-09-26 23:08:27,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-26 23:08:27,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 5402 backedges. 0 proven. 5402 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:33,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:33,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 153 states and 228 transitions. [2018-09-26 23:08:33,578 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 228 transitions. [2018-09-26 23:08:33,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-26 23:08:33,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:34,097 INFO L134 CoverageAnalysis]: Checked inductivity of 5550 backedges. 0 proven. 5550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 155 states and 231 transitions. [2018-09-26 23:08:39,152 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 231 transitions. [2018-09-26 23:08:39,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-09-26 23:08:39,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:39,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:39,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5700 backedges. 0 proven. 5700 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:44,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:44,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 157 states and 234 transitions. [2018-09-26 23:08:44,913 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 234 transitions. [2018-09-26 23:08:44,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-09-26 23:08:44,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:45,827 INFO L134 CoverageAnalysis]: Checked inductivity of 5852 backedges. 0 proven. 5852 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:51,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:51,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 159 states and 237 transitions. [2018-09-26 23:08:51,233 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 237 transitions. [2018-09-26 23:08:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-09-26 23:08:51,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:51,817 INFO L134 CoverageAnalysis]: Checked inductivity of 6006 backedges. 0 proven. 6006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:08:57,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:08:57,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 161 states and 240 transitions. [2018-09-26 23:08:57,376 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 240 transitions. [2018-09-26 23:08:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-09-26 23:08:57,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:08:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:08:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 6162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:03,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 163 states and 243 transitions. [2018-09-26 23:09:03,663 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 243 transitions. [2018-09-26 23:09:03,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-09-26 23:09:03,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:04,306 INFO L134 CoverageAnalysis]: Checked inductivity of 6320 backedges. 0 proven. 6320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:10,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 165 states and 246 transitions. [2018-09-26 23:09:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 246 transitions. [2018-09-26 23:09:10,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-09-26 23:09:10,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 167 states and 249 transitions. [2018-09-26 23:09:16,850 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 249 transitions. [2018-09-26 23:09:16,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-09-26 23:09:16,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:17,456 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:23,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 169 states and 252 transitions. [2018-09-26 23:09:23,617 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 252 transitions. [2018-09-26 23:09:23,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-09-26 23:09:23,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:30,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:30,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 171 states and 255 transitions. [2018-09-26 23:09:30,773 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 255 transitions. [2018-09-26 23:09:30,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-09-26 23:09:30,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:31,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:37,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:37,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 173 states and 258 transitions. [2018-09-26 23:09:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 258 transitions. [2018-09-26 23:09:37,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-09-26 23:09:37,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:38,481 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-26 23:09:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-26 23:09:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 175 states and 261 transitions. [2018-09-26 23:09:45,097 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 261 transitions. [2018-09-26 23:09:45,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-09-26 23:09:45,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-26 23:09:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-26 23:09:45,882 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown