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.epf -i ../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-b2fde6a [2018-09-28 11:15:52,592 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-28 11:15:52,594 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-28 11:15:52,606 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-28 11:15:52,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-28 11:15:52,608 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-28 11:15:52,609 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-28 11:15:52,611 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-28 11:15:52,612 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-28 11:15:52,613 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-28 11:15:52,614 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-28 11:15:52,615 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-28 11:15:52,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-28 11:15:52,616 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-28 11:15:52,618 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-28 11:15:52,618 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-28 11:15:52,619 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-28 11:15:52,621 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-28 11:15:52,623 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-28 11:15:52,625 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-28 11:15:52,626 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-28 11:15:52,627 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-28 11:15:52,630 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-28 11:15:52,630 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-28 11:15:52,630 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-28 11:15:52,631 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-28 11:15:52,632 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-28 11:15:52,633 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-28 11:15:52,634 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-28 11:15:52,635 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-28 11:15:52,635 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-28 11:15:52,636 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-09-28 11:15:52,636 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-09-28 11:15:52,636 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-09-28 11:15:52,637 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-09-28 11:15:52,638 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-09-28 11:15:52,638 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/pu-bench/svcomp-Reach-32bit-Kojak_Default.epf [2018-09-28 11:15:52,653 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-28 11:15:52,654 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-28 11:15:52,655 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-28 11:15:52,655 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-09-28 11:15:52,655 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-09-28 11:15:52,656 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-09-28 11:15:52,656 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-28 11:15:52,656 INFO L133 SettingsManager]: * sizeof long=4 [2018-09-28 11:15:52,656 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-28 11:15:52,656 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-09-28 11:15:52,657 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-28 11:15:52,657 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-28 11:15:52,657 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-28 11:15:52,657 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-28 11:15:52,657 INFO L133 SettingsManager]: * sizeof long double=12 [2018-09-28 11:15:52,658 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-28 11:15:52,658 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-28 11:15:52,658 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-09-28 11:15:52,658 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-09-28 11:15:52,658 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-28 11:15:52,659 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-28 11:15:52,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-09-28 11:15:52,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-28 11:15:52,659 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-28 11:15:52,659 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-28 11:15:52,660 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-09-28 11:15:52,660 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-28 11:15:52,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-28 11:15:52,660 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-28 11:15:52,705 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-28 11:15:52,717 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-28 11:15:52,721 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-28 11:15:52,722 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-09-28 11:15:52,723 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-09-28 11:15:52,723 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl [2018-09-28 11:15:52,724 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl' [2018-09-28 11:15:52,766 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-28 11:15:52,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-09-28 11:15:52,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-28 11:15:52,771 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-28 11:15:52,771 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-28 11:15:52,791 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,806 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,811 WARN L165 Inliner]: Program contained no entry procedure! [2018-09-28 11:15:52,811 WARN L168 Inliner]: Missing entry procedures: [ULTIMATE.start] [2018-09-28 11:15:52,811 WARN L175 Inliner]: Fallback enabled. All procedures will be processed. [2018-09-28 11:15:52,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-28 11:15:52,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-28 11:15:52,815 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-28 11:15:52,815 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-28 11:15:52,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,830 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,836 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (1/1) ... [2018-09-28 11:15:52,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-28 11:15:52,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-28 11:15:52,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-28 11:15:52,838 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-28 11:15:52,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.09 11:15:52" (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 [2018-09-28 11:15:52,905 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-09-28 11:15:52,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-28 11:15:52,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-28 11:15:53,124 INFO L350 CfgBuilder]: Using library mode [2018-09-28 11:15:53,125 INFO L202 PluginConnector]: Adding new model Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:15:53 BoogieIcfgContainer [2018-09-28 11:15:53,125 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-28 11:15:53,126 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-09-28 11:15:53,126 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-09-28 11:15:53,138 INFO L276 PluginConnector]: CodeCheck initialized [2018-09-28 11:15:53,138 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.09 11:15:53" (1/1) ... [2018-09-28 11:15:53,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-09-28 11:15:53,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:53,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 6 states and 7 transitions. [2018-09-28 11:15:53,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 7 transitions. [2018-09-28 11:15:53,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-09-28 11:15:53,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:53,543 WARN L178 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 10 DAG size of output: 8 [2018-09-28 11:15:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 7 states and 11 transitions. [2018-09-28 11:15:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 11 transitions. [2018-09-28 11:15:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-09-28 11:15:53,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:53,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:54,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:54,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 8 states and 14 transitions. [2018-09-28 11:15:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 14 transitions. [2018-09-28 11:15:54,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-09-28 11:15:54,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:54,242 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:54,680 WARN L178 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-28 11:15:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 9 states and 17 transitions. [2018-09-28 11:15:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 17 transitions. [2018-09-28 11:15:54,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-09-28 11:15:54,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:54,916 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:55,275 WARN L178 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 13 [2018-09-28 11:15:55,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 10 states and 19 transitions. [2018-09-28 11:15:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 19 transitions. [2018-09-28 11:15:55,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-09-28 11:15:55,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:55,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:55,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 11 states and 21 transitions. [2018-09-28 11:15:55,733 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 21 transitions. [2018-09-28 11:15:55,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-09-28 11:15:55,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:55,887 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:56,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:56,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 12 states and 23 transitions. [2018-09-28 11:15:56,182 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 23 transitions. [2018-09-28 11:15:56,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-09-28 11:15:56,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:56,317 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 13 states and 25 transitions. [2018-09-28 11:15:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 25 transitions. [2018-09-28 11:15:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-09-28 11:15:56,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:56,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:56,650 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:56,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:56,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 14 states and 27 transitions. [2018-09-28 11:15:56,958 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 27 transitions. [2018-09-28 11:15:56,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-28 11:15:56,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:57,149 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:57,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2018-09-28 11:15:57,380 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2018-09-28 11:15:57,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-09-28 11:15:57,381 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:57,868 WARN L178 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 16 DAG size of output: 13 [2018-09-28 11:15:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 16 states and 31 transitions. [2018-09-28 11:15:58,116 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 31 transitions. [2018-09-28 11:15:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-09-28 11:15:58,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:58,252 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:58,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:58,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 17 states and 33 transitions. [2018-09-28 11:15:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 33 transitions. [2018-09-28 11:15:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-28 11:15:58,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:59,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:59,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 18 states and 35 transitions. [2018-09-28 11:15:59,030 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 35 transitions. [2018-09-28 11:15:59,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-09-28 11:15:59,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:15:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:15:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 19 states and 37 transitions. [2018-09-28 11:15:59,555 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 37 transitions. [2018-09-28 11:15:59,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-09-28 11:15:59,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:15:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:15:59,733 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:00,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:00,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 20 states and 39 transitions. [2018-09-28 11:16:00,310 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 39 transitions. [2018-09-28 11:16:00,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-09-28 11:16:00,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:00,484 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:00,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 21 states and 41 transitions. [2018-09-28 11:16:00,773 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 41 transitions. [2018-09-28 11:16:00,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-09-28 11:16:00,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:01,208 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:02,093 WARN L178 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-09-28 11:16:02,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:02,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 22 states and 43 transitions. [2018-09-28 11:16:02,213 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 43 transitions. [2018-09-28 11:16:02,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-28 11:16:02,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:02,534 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:03,508 WARN L178 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-09-28 11:16:03,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:03,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 23 states and 45 transitions. [2018-09-28 11:16:03,756 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 45 transitions. [2018-09-28 11:16:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-09-28 11:16:03,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:04,556 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:04,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:04,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2018-09-28 11:16:04,900 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2018-09-28 11:16:04,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-09-28 11:16:04,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:05,455 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:05,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:05,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 25 states and 49 transitions. [2018-09-28 11:16:05,799 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 49 transitions. [2018-09-28 11:16:05,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-28 11:16:05,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:06,060 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:06,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2018-09-28 11:16:06,442 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2018-09-28 11:16:06,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-09-28 11:16:06,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:06,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:06,958 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:07,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:07,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 27 states and 53 transitions. [2018-09-28 11:16:07,335 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 53 transitions. [2018-09-28 11:16:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-09-28 11:16:07,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:07,548 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:08,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:08,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2018-09-28 11:16:08,102 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2018-09-28 11:16:08,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-09-28 11:16:08,103 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:08,350 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:09,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:09,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2018-09-28 11:16:09,044 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2018-09-28 11:16:09,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-09-28 11:16:09,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:09,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:09,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2018-09-28 11:16:09,786 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2018-09-28 11:16:09,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-09-28 11:16:09,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:10,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:10,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 31 states and 61 transitions. [2018-09-28 11:16:10,390 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 61 transitions. [2018-09-28 11:16:10,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-09-28 11:16:10,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:11,182 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:11,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 32 states and 63 transitions. [2018-09-28 11:16:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 63 transitions. [2018-09-28 11:16:11,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-09-28 11:16:11,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:11,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:12,403 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 33 states and 65 transitions. [2018-09-28 11:16:12,783 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 65 transitions. [2018-09-28 11:16:12,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-09-28 11:16:12,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:12,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:13,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:13,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 34 states and 67 transitions. [2018-09-28 11:16:13,642 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 67 transitions. [2018-09-28 11:16:13,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-09-28 11:16:13,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:14,197 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:14,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:14,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 35 states and 69 transitions. [2018-09-28 11:16:14,628 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 69 transitions. [2018-09-28 11:16:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-09-28 11:16:14,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:14,853 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:15,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:15,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 71 transitions. [2018-09-28 11:16:15,221 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 71 transitions. [2018-09-28 11:16:15,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-09-28 11:16:15,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:16,226 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:16,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:16,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 37 states and 73 transitions. [2018-09-28 11:16:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 73 transitions. [2018-09-28 11:16:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-09-28 11:16:16,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:17,145 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:17,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:17,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 75 transitions. [2018-09-28 11:16:17,898 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 75 transitions. [2018-09-28 11:16:17,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-09-28 11:16:17,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:18,122 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-09-28 11:16:18,794 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-09-28 11:16:18,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-09-28 11:16:18,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:19,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 40 states and 79 transitions. [2018-09-28 11:16:19,566 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 79 transitions. [2018-09-28 11:16:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-09-28 11:16:19,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:19,907 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:20,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:20,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 81 transitions. [2018-09-28 11:16:20,518 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 81 transitions. [2018-09-28 11:16:20,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-09-28 11:16:20,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2018-09-28 11:16:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2018-09-28 11:16:21,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-09-28 11:16:21,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:21,619 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2018-09-28 11:16:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2018-09-28 11:16:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-09-28 11:16:22,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:22,328 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:22,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 44 states and 87 transitions. [2018-09-28 11:16:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 87 transitions. [2018-09-28 11:16:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-09-28 11:16:22,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:23,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:23,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 45 states and 89 transitions. [2018-09-28 11:16:23,989 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 89 transitions. [2018-09-28 11:16:23,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-09-28 11:16:23,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:25,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 91 transitions. [2018-09-28 11:16:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2018-09-28 11:16:25,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-09-28 11:16:25,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:25,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:25,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 47 states and 93 transitions. [2018-09-28 11:16:25,985 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 93 transitions. [2018-09-28 11:16:25,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-09-28 11:16:25,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:26,248 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:26,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 48 states and 95 transitions. [2018-09-28 11:16:26,774 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 95 transitions. [2018-09-28 11:16:26,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-09-28 11:16:26,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:26,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:27,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:27,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 49 states and 97 transitions. [2018-09-28 11:16:27,640 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 97 transitions. [2018-09-28 11:16:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-09-28 11:16:27,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:27,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:28,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 50 states and 99 transitions. [2018-09-28 11:16:28,443 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 99 transitions. [2018-09-28 11:16:28,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-09-28 11:16:28,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:28,897 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:29,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:29,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 51 states and 101 transitions. [2018-09-28 11:16:29,455 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2018-09-28 11:16:29,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-09-28 11:16:29,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:29,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:30,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 52 states and 103 transitions. [2018-09-28 11:16:30,418 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 103 transitions. [2018-09-28 11:16:30,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-09-28 11:16:30,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:30,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:30,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:32,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 53 states and 105 transitions. [2018-09-28 11:16:32,088 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 105 transitions. [2018-09-28 11:16:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-09-28 11:16:32,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:32,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:33,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 54 states and 107 transitions. [2018-09-28 11:16:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 107 transitions. [2018-09-28 11:16:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-09-28 11:16:33,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:33,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:34,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:34,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 55 states and 109 transitions. [2018-09-28 11:16:34,289 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 109 transitions. [2018-09-28 11:16:34,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-09-28 11:16:34,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:34,980 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:35,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:35,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 56 states and 111 transitions. [2018-09-28 11:16:35,578 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 111 transitions. [2018-09-28 11:16:35,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-09-28 11:16:35,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:35,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:35,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:36,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 57 states and 113 transitions. [2018-09-28 11:16:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 113 transitions. [2018-09-28 11:16:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-09-28 11:16:36,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:36,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:37,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:37,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:37,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 58 states and 115 transitions. [2018-09-28 11:16:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 115 transitions. [2018-09-28 11:16:37,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-09-28 11:16:37,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:38,054 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:38,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 59 states and 117 transitions. [2018-09-28 11:16:38,670 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 117 transitions. [2018-09-28 11:16:38,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-09-28 11:16:38,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:38,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:39,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:39,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 60 states and 119 transitions. [2018-09-28 11:16:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 119 transitions. [2018-09-28 11:16:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-09-28 11:16:39,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:39,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 61 states and 121 transitions. [2018-09-28 11:16:40,911 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 121 transitions. [2018-09-28 11:16:40,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-09-28 11:16:40,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:40,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:41,489 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:42,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:42,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 62 states and 123 transitions. [2018-09-28 11:16:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 123 transitions. [2018-09-28 11:16:42,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-09-28 11:16:42,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:42,615 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:43,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:43,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 63 states and 125 transitions. [2018-09-28 11:16:43,288 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 125 transitions. [2018-09-28 11:16:43,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-09-28 11:16:43,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:43,638 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:44,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:44,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 64 states and 127 transitions. [2018-09-28 11:16:44,626 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2018-09-28 11:16:44,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-09-28 11:16:44,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:45,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:45,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 65 states and 129 transitions. [2018-09-28 11:16:45,732 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 129 transitions. [2018-09-28 11:16:45,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-09-28 11:16:45,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:46,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:47,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:47,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 131 transitions. [2018-09-28 11:16:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 131 transitions. [2018-09-28 11:16:47,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-09-28 11:16:47,102 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:47,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:48,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:48,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 133 transitions. [2018-09-28 11:16:48,258 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 133 transitions. [2018-09-28 11:16:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-09-28 11:16:48,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:50,260 WARN L178 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 15 DAG size of output: 11 [2018-09-28 11:16:52,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:52,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 68 states and 135 transitions. [2018-09-28 11:16:52,759 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 135 transitions. [2018-09-28 11:16:52,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-09-28 11:16:52,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:53,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:53,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 69 states and 137 transitions. [2018-09-28 11:16:53,890 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 137 transitions. [2018-09-28 11:16:53,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-09-28 11:16:53,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:54,408 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 70 states and 139 transitions. [2018-09-28 11:16:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 139 transitions. [2018-09-28 11:16:55,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-09-28 11:16:55,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:56,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:56,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 71 states and 141 transitions. [2018-09-28 11:16:56,298 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 141 transitions. [2018-09-28 11:16:56,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-09-28 11:16:56,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:56,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:57,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 72 states and 143 transitions. [2018-09-28 11:16:57,759 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 143 transitions. [2018-09-28 11:16:57,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-09-28 11:16:57,759 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:16:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:16:59,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 73 states and 145 transitions. [2018-09-28 11:16:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 145 transitions. [2018-09-28 11:16:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-09-28 11:16:59,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:16:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:16:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:00,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:00,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 74 states and 147 transitions. [2018-09-28 11:17:00,794 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-09-28 11:17:00,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-09-28 11:17:00,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:01,146 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 75 states and 149 transitions. [2018-09-28 11:17:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 149 transitions. [2018-09-28 11:17:01,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-09-28 11:17:01,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:03,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:04,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:04,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 76 states and 151 transitions. [2018-09-28 11:17:04,098 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 151 transitions. [2018-09-28 11:17:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-09-28 11:17:04,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:05,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 77 states and 153 transitions. [2018-09-28 11:17:05,695 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 153 transitions. [2018-09-28 11:17:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-09-28 11:17:05,695 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:05,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:07,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:07,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 78 states and 155 transitions. [2018-09-28 11:17:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 155 transitions. [2018-09-28 11:17:07,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-09-28 11:17:07,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:07,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:08,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:08,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 79 states and 157 transitions. [2018-09-28 11:17:08,815 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 157 transitions. [2018-09-28 11:17:08,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-09-28 11:17:08,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:09,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:10,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:10,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 80 states and 159 transitions. [2018-09-28 11:17:10,306 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 159 transitions. [2018-09-28 11:17:10,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-09-28 11:17:10,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:11,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 81 states and 161 transitions. [2018-09-28 11:17:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 161 transitions. [2018-09-28 11:17:11,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-09-28 11:17:11,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:12,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:13,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 82 states and 163 transitions. [2018-09-28 11:17:13,006 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 163 transitions. [2018-09-28 11:17:13,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-09-28 11:17:13,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:13,449 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:14,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:14,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 83 states and 165 transitions. [2018-09-28 11:17:14,372 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 165 transitions. [2018-09-28 11:17:14,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-09-28 11:17:14,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:14,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:14,932 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:15,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:15,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 84 states and 167 transitions. [2018-09-28 11:17:15,930 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 167 transitions. [2018-09-28 11:17:15,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-09-28 11:17:15,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:16,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 85 states and 169 transitions. [2018-09-28 11:17:17,302 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 169 transitions. [2018-09-28 11:17:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-09-28 11:17:17,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:17,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:17,712 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 86 states and 171 transitions. [2018-09-28 11:17:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 171 transitions. [2018-09-28 11:17:18,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-09-28 11:17:18,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:18,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:20,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:20,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 87 states and 173 transitions. [2018-09-28 11:17:20,233 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 173 transitions. [2018-09-28 11:17:20,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-09-28 11:17:20,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:21,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:21,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 88 states and 175 transitions. [2018-09-28 11:17:21,602 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 175 transitions. [2018-09-28 11:17:21,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-09-28 11:17:21,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:21,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:23,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 89 states and 177 transitions. [2018-09-28 11:17:23,043 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 177 transitions. [2018-09-28 11:17:23,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-09-28 11:17:23,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:23,559 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:24,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 90 states and 179 transitions. [2018-09-28 11:17:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 179 transitions. [2018-09-28 11:17:24,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-09-28 11:17:24,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:26,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:26,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 91 states and 181 transitions. [2018-09-28 11:17:26,256 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 181 transitions. [2018-09-28 11:17:26,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-09-28 11:17:26,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:26,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:26,693 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 92 states and 183 transitions. [2018-09-28 11:17:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 183 transitions. [2018-09-28 11:17:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-09-28 11:17:27,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:29,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:29,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 93 states and 185 transitions. [2018-09-28 11:17:29,243 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 185 transitions. [2018-09-28 11:17:29,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-09-28 11:17:29,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:29,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:31,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:31,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 94 states and 187 transitions. [2018-09-28 11:17:31,003 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 187 transitions. [2018-09-28 11:17:31,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-09-28 11:17:31,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:31,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:32,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 95 states and 189 transitions. [2018-09-28 11:17:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 189 transitions. [2018-09-28 11:17:32,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-09-28 11:17:32,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:33,201 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:34,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 96 states and 191 transitions. [2018-09-28 11:17:34,352 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 191 transitions. [2018-09-28 11:17:34,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-09-28 11:17:34,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:34,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:34,903 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:36,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:36,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 97 states and 193 transitions. [2018-09-28 11:17:36,099 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 193 transitions. [2018-09-28 11:17:36,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-09-28 11:17:36,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:36,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:36,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 98 states and 195 transitions. [2018-09-28 11:17:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 195 transitions. [2018-09-28 11:17:37,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-09-28 11:17:37,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:38,114 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:39,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 99 states and 197 transitions. [2018-09-28 11:17:39,156 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 197 transitions. [2018-09-28 11:17:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-09-28 11:17:39,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:39,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 100 states and 199 transitions. [2018-09-28 11:17:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 199 transitions. [2018-09-28 11:17:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-09-28 11:17:40,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:41,283 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:42,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:42,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 101 states and 201 transitions. [2018-09-28 11:17:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 201 transitions. [2018-09-28 11:17:42,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-09-28 11:17:42,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:42,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:43,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 102 states and 203 transitions. [2018-09-28 11:17:43,906 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 203 transitions. [2018-09-28 11:17:43,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-09-28 11:17:43,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:44,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:45,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:45,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 103 states and 205 transitions. [2018-09-28 11:17:45,509 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 205 transitions. [2018-09-28 11:17:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-09-28 11:17:45,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:46,102 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:47,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 104 states and 207 transitions. [2018-09-28 11:17:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 207 transitions. [2018-09-28 11:17:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-09-28 11:17:47,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:48,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:48,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 105 states and 209 transitions. [2018-09-28 11:17:48,872 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 209 transitions. [2018-09-28 11:17:48,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-09-28 11:17:48,873 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:50,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 106 states and 211 transitions. [2018-09-28 11:17:50,509 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 211 transitions. [2018-09-28 11:17:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-09-28 11:17:50,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:50,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:51,104 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:52,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:52,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 107 states and 213 transitions. [2018-09-28 11:17:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 213 transitions. [2018-09-28 11:17:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-09-28 11:17:52,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:52,838 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 108 states and 215 transitions. [2018-09-28 11:17:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 215 transitions. [2018-09-28 11:17:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-09-28 11:17:53,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:55,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 109 states and 217 transitions. [2018-09-28 11:17:55,664 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 217 transitions. [2018-09-28 11:17:55,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-09-28 11:17:55,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:57,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:57,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 110 states and 219 transitions. [2018-09-28 11:17:57,632 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 219 transitions. [2018-09-28 11:17:57,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-09-28 11:17:57,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:17:59,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:17:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 111 states and 221 transitions. [2018-09-28 11:17:59,356 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 221 transitions. [2018-09-28 11:17:59,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-09-28 11:17:59,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:17:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:17:59,907 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 112 states and 223 transitions. [2018-09-28 11:18:01,098 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 223 transitions. [2018-09-28 11:18:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-09-28 11:18:01,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:02,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:02,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 113 states and 225 transitions. [2018-09-28 11:18:02,952 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 225 transitions. [2018-09-28 11:18:02,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-09-28 11:18:02,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:03,523 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:04,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 114 states and 227 transitions. [2018-09-28 11:18:04,736 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 227 transitions. [2018-09-28 11:18:04,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-09-28 11:18:04,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:06,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:06,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 115 states and 229 transitions. [2018-09-28 11:18:06,551 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 229 transitions. [2018-09-28 11:18:06,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-09-28 11:18:06,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:06,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:07,162 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:08,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:08,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 116 states and 231 transitions. [2018-09-28 11:18:08,527 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 231 transitions. [2018-09-28 11:18:08,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-09-28 11:18:08,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:09,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 117 states and 233 transitions. [2018-09-28 11:18:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 233 transitions. [2018-09-28 11:18:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-09-28 11:18:10,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:10,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:12,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:12,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 118 states and 235 transitions. [2018-09-28 11:18:12,387 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 235 transitions. [2018-09-28 11:18:12,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-09-28 11:18:12,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:13,005 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:14,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:14,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 119 states and 237 transitions. [2018-09-28 11:18:14,339 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 237 transitions. [2018-09-28 11:18:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-09-28 11:18:14,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:16,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:16,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 120 states and 239 transitions. [2018-09-28 11:18:16,241 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 239 transitions. [2018-09-28 11:18:16,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-09-28 11:18:16,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:16,866 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:18,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:18,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 121 states and 241 transitions. [2018-09-28 11:18:18,159 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 241 transitions. [2018-09-28 11:18:18,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-09-28 11:18:18,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:18,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:20,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:20,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 122 states and 243 transitions. [2018-09-28 11:18:20,264 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 243 transitions. [2018-09-28 11:18:20,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-09-28 11:18:20,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:20,906 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:22,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:22,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 123 states and 245 transitions. [2018-09-28 11:18:22,212 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 245 transitions. [2018-09-28 11:18:22,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-09-28 11:18:22,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:22,881 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:24,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:24,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 124 states and 247 transitions. [2018-09-28 11:18:24,204 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 247 transitions. [2018-09-28 11:18:24,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-09-28 11:18:24,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 125 states and 249 transitions. [2018-09-28 11:18:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 249 transitions. [2018-09-28 11:18:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-09-28 11:18:26,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:27,044 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:28,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:28,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 126 states and 251 transitions. [2018-09-28 11:18:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 251 transitions. [2018-09-28 11:18:28,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-09-28 11:18:28,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:30,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:30,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 127 states and 253 transitions. [2018-09-28 11:18:30,430 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 253 transitions. [2018-09-28 11:18:30,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-09-28 11:18:30,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:30,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:32,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:32,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 128 states and 255 transitions. [2018-09-28 11:18:32,543 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 255 transitions. [2018-09-28 11:18:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-09-28 11:18:32,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:34,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:34,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 129 states and 257 transitions. [2018-09-28 11:18:34,711 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 257 transitions. [2018-09-28 11:18:34,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-09-28 11:18:34,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:35,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:36,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:36,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 130 states and 259 transitions. [2018-09-28 11:18:36,817 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 259 transitions. [2018-09-28 11:18:36,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-09-28 11:18:36,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 131 states and 261 transitions. [2018-09-28 11:18:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 261 transitions. [2018-09-28 11:18:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-09-28 11:18:38,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:39,758 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:41,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 132 states and 263 transitions. [2018-09-28 11:18:41,165 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 263 transitions. [2018-09-28 11:18:41,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-09-28 11:18:41,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:41,970 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:43,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:43,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 133 states and 265 transitions. [2018-09-28 11:18:43,417 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 265 transitions. [2018-09-28 11:18:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-09-28 11:18:43,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:45,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:45,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 134 states and 267 transitions. [2018-09-28 11:18:45,671 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 267 transitions. [2018-09-28 11:18:45,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-09-28 11:18:45,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:48,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:48,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 135 states and 269 transitions. [2018-09-28 11:18:48,620 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 269 transitions. [2018-09-28 11:18:48,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-09-28 11:18:48,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:49,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:50,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:50,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 136 states and 271 transitions. [2018-09-28 11:18:50,898 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 271 transitions. [2018-09-28 11:18:50,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-09-28 11:18:50,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:51,742 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:53,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 137 states and 273 transitions. [2018-09-28 11:18:53,303 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 273 transitions. [2018-09-28 11:18:53,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-09-28 11:18:53,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:53,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:54,103 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:55,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:55,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 138 states and 275 transitions. [2018-09-28 11:18:55,588 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 275 transitions. [2018-09-28 11:18:55,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-09-28 11:18:55,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:55,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:56,425 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:18:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:18:57,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 139 states and 277 transitions. [2018-09-28 11:18:57,935 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 277 transitions. [2018-09-28 11:18:57,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-09-28 11:18:57,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:18:58,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:18:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:00,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:00,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 140 states and 279 transitions. [2018-09-28 11:19:00,338 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 279 transitions. [2018-09-28 11:19:00,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-09-28 11:19:00,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:01,177 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:02,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:02,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 141 states and 281 transitions. [2018-09-28 11:19:02,691 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 281 transitions. [2018-09-28 11:19:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-09-28 11:19:02,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:03,541 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:05,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:05,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 142 states and 283 transitions. [2018-09-28 11:19:05,066 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 283 transitions. [2018-09-28 11:19:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-09-28 11:19:05,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:05,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:07,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 143 states and 285 transitions. [2018-09-28 11:19:07,521 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 285 transitions. [2018-09-28 11:19:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-09-28 11:19:07,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:09,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:09,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 144 states and 287 transitions. [2018-09-28 11:19:09,958 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 287 transitions. [2018-09-28 11:19:09,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-09-28 11:19:09,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:12,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 145 states and 289 transitions. [2018-09-28 11:19:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 289 transitions. [2018-09-28 11:19:12,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-09-28 11:19:12,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:14,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:14,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 146 states and 291 transitions. [2018-09-28 11:19:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 291 transitions. [2018-09-28 11:19:14,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-09-28 11:19:14,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:15,897 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:17,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 147 states and 293 transitions. [2018-09-28 11:19:17,489 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 293 transitions. [2018-09-28 11:19:17,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-09-28 11:19:17,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:20,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:20,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 148 states and 295 transitions. [2018-09-28 11:19:20,073 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 295 transitions. [2018-09-28 11:19:20,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-09-28 11:19:20,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:20,970 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:22,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:22,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 149 states and 297 transitions. [2018-09-28 11:19:22,590 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 297 transitions. [2018-09-28 11:19:22,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-09-28 11:19:22,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:23,553 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:25,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:25,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 150 states and 299 transitions. [2018-09-28 11:19:25,268 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 299 transitions. [2018-09-28 11:19:25,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-09-28 11:19:25,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:25,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:26,299 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:27,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:27,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 151 states and 301 transitions. [2018-09-28 11:19:27,963 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 301 transitions. [2018-09-28 11:19:27,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-09-28 11:19:27,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:29,026 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 152 states and 303 transitions. [2018-09-28 11:19:30,766 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 303 transitions. [2018-09-28 11:19:30,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-09-28 11:19:30,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:31,905 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:33,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 153 states and 305 transitions. [2018-09-28 11:19:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 305 transitions. [2018-09-28 11:19:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-09-28 11:19:33,572 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:34,710 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:36,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 154 states and 307 transitions. [2018-09-28 11:19:36,433 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 307 transitions. [2018-09-28 11:19:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-09-28 11:19:36,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:37,524 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:39,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:39,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 155 states and 309 transitions. [2018-09-28 11:19:39,200 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 309 transitions. [2018-09-28 11:19:39,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-09-28 11:19:39,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:39,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:40,441 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 156 states and 311 transitions. [2018-09-28 11:19:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 311 transitions. [2018-09-28 11:19:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-09-28 11:19:42,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:43,347 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:45,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 157 states and 313 transitions. [2018-09-28 11:19:45,084 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 313 transitions. [2018-09-28 11:19:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-09-28 11:19:45,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:46,306 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 158 states and 315 transitions. [2018-09-28 11:19:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 315 transitions. [2018-09-28 11:19:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-09-28 11:19:48,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2018-09-28 11:19:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-28 11:19:50,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-09-28 11:19:50,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 159 states and 317 transitions. [2018-09-28 11:19:50,987 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 317 transitions. [2018-09-28 11:19:50,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-09-28 11:19:50,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. Received shutdown request... [2018-09-28 11:19:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2018-09-28 11:19:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-28 11:19:51,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-28 11:19:51,823 INFO L177 TraceCheckSpWp]: Timeout while computing interpolants [2018-09-28 11:19:51,823 INFO L256 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck. Reason: Timeout or Toolchain cancelled by user [2018-09-28 11:19:51,826 INFO L168 Benchmark]: Toolchain (without parser) took 239058.75 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 406.8 MB. Max. memory is 7.1 GB. [2018-09-28 11:19:51,826 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:19:51,827 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:19:51,827 INFO L168 Benchmark]: Boogie Preprocessor took 22.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-28 11:19:51,828 INFO L168 Benchmark]: RCFGBuilder took 287.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. [2018-09-28 11:19:51,828 INFO L168 Benchmark]: CodeCheck took 238698.95 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 385.7 MB. Max. memory is 7.1 GB. [2018-09-28 11:19:51,836 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck) Toolchain cancelled while TraceCheckSpWp was constructing forward predicates, while XnfDer was eliminating 1 quantified variables from 1 xjuncts. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 43.60 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 22.58 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 287.75 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 7.1 GB. * CodeCheck took 238698.95 ms. Allocated memory was 1.5 GB in the beginning and 3.5 GB in the end (delta: 2.0 GB). Free memory was 1.4 GB in the beginning and 3.0 GB in the end (delta: -1.6 GB). Peak memory consumption was 385.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Sandman01.bpl_svcomp-Reach-32bit-Kojak_Default.epf_KojakBplInline.xml/Csv-Benchmark-0-2018-09-28_11-19-51-849.csv Completed graceful shutdown